Contemporary history

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Contemporary history, in English-language historiography, is a subset of modern history that describes the historical period from approximately 1945 to the present.[1] Contemporary history is either a subset of the late modern period, or it is one of the three major subsets of modern history, alongside the early modern period and the late modern period. In the social sciences, contemporary history is also continuous with, and related to, the rise of postmodernity.

Contemporary history is politically dominated by the Cold War (1947–1991) between the United States and the Soviet Union whose effects were felt across the world. The confrontation, which was mainly fought through proxy wars and through intervention in the internal politics of smaller nations, ultimately ended with the Revolutions of 1989 and the dissolution of the Soviet Union in 1991. The latter stages and aftermath of the Cold War enabled the democratization of much of Europe, Africa, and Latin America. In the Middle East, the period after 1945 was dominated by conflict involving the new state of Israel and the rise of petroleum politics, as well as the growth of Islamism after the 1980s. The first supranational organizations of government, such as the United Nations and European Union, emerged during the period after 1945, while the European colonial empires in Africa and Asia collapsed, gone by 1975.

Countercultures rose and the sexual revolution transformed social relations in western countries between the 1960s and 1980s, as seen in the protests of 1968. Living standards rose sharply across the developed world because of the post-war economic boom. Japan and West Germany both emerged as exceptionally strong economies. The culture of the United States, especially consumerism, spread widely. By the 1960s, many western countries had begun deindustrializing; in their place, globalization led to the emergence of new financial or industrial centers in Asia, starting with Japan, which was followed by the Four Asian Tigers of Hong Kong, Singapore, South Korea and Taiwan, and later China after its economic reform, which exported its consumer and technological goods around the world.

Science made new advances after 1945: spaceflight, nuclear technology, laser and semiconductor technology were developed alongside molecular biology and genetics, particle physics, and the Standard Model of quantum field theory. Meanwhile, the first computers were created, followed by the Internet, beginning the Information Age.

Political history


The split of Europe during the Cold War

In 1945, the Allies of World War II had defeated all significant opposition to them. They established the United Nations to govern international relations and disputes. A looming question was how to handle the defeated Axis nations and the shattered nations that the Axis had conquered. Following the Yalta Conference, territory was divided into zones for which Allied country would have responsibility and manage rebuilding. While these zones were theoretically temporary (such as the eventual fate of occupied Austria, which was released to independence as a neutral country), growing tensions between the Western Bloc, led by the United States, with the Eastern Bloc, led by the Soviet Union, meant that many calcified into place. Countries in Soviet zones of Eastern Europe had communist regimes installed as satellite states. The Berlin Blockade of 1948 led to a Western Airlift to preserve West Berlin and signified a cooling of East-West relations. Germany split into two countries in 1949, liberal-democratic West Germany and communist East Germany. The conflict as a whole would become known as the Cold War. The Western Bloc formed NATO in 1949 while the Eastern Bloc formed the Warsaw Pact in 1955. Direct combat between the new Great Powers was generally avoided, although proxy wars fought in other countries by factions equipped by one side against the other side's faction occurred. An arms race to develop and build nuclear weapons happened as policymakers wanted to ensure their side had more if it came to a war.[2]

In East Asia, Chiang Kai-shek's Republic of China was overthrown in the Chinese Communist Revolution from 1945–1949. His government retreated to Taiwan, but both the nationalist KMT government and the new communist mainland government under Mao Zedong continued to claim authority over all of China. Korea was divided similarly to Germany, with the Soviet Union occupying the North and the United States occupying the South (future North Korea and South Korea). Unlike Germany, the conflict there turned hot, as the Korean War erupted from 1950–1953. Korea was not reunified under either government, however, due to strong support from both the US and China for their favored side; it became a frozen conflict instead. Japan was given a new constitution foreswearing aggressive war in 1947, and the American occupation ended in 1952, although a treaty of mutual aid with the US was soon signed. The US also granted the Philippines their independence in 1946 while keeping close relations.

The Middle East became a hotbed of instability. The new Jewish state of Israel declared its independence, recognized by both the United States and the Soviet Union, after which followed the 1948 Arab-Israeli War. Egypt's weak and ineffective king Farouk was overthrown in the Egyptian revolution of 1952, and replaced by General Nasser; the 1953 Iranian coup d'état saw the American-friendly shah Mohammad Reza Pahlavi remove the democratic constraints on his government and take power directly; and Iraq's monarchy was overthrown in 1958.

Decolonization of the British Empire in Africa.

Decolonization was the most important development across Southeast Asia and Africa from 1946–1975, as the old British, French, Dutch, and Portuguese colonial empires were dismantled. Many new states were given their independence, but soon found themselves having to choose between allying with the Western Bloc, Eastern Bloc, or attempting to stay neutral as a member of the Non-Aligned Movement. British India was granted independence in 1947 without an outright war of independence being required. It was partitioned into Hindu-majority India and Muslim-majority Pakistan (West Pakistan and East Pakistan, future Pakistan and Bangladesh); Indo-Pakistani wars were fought in 1947, 1965, and 1971. Sukarno took control of an independent Indonesia in 1950, as attempts to reinstate Dutch rule in 1945–1949 had largely failed, and took an independent-to-Eastern leaning stance. He would later be overthrown by Suharto in 1968, who took a pro-Western stance. The Federation of Malaya was granted independence in 1957, with the concurrent fighting of the Malayan Emergency against communist forces from 1948–1960. The French unsuccessfully fought the First Indochina War in an attempt to hold on to French Indochina; at the 1954 Geneva Conference, the new states of Cambodia, Laos, the Democratic Republic of Vietnam, and the eventual Republic of Vietnam were created. The division of Indochina eventually led to the Vietnam War in the 1960s and 70s (as well as the Laotian Civil War and Cambodian Civil War), which ended in communist North Vietnam unifying the country in 1975 and a stinging defeat for the United States.

In Africa, France fought the grinding Algerian War from 1954–1962 that saw the end of French Algeria and the rise of a new independent Algeria. The British and French both slowly released their vast holdings, leading to the creation of states such as First Nigerian Republic in 1963. Portugal, on the other hand, fiercely held onto their Empire, leading to the Portuguese Colonial War from 1961–1974 in Angola, Guinea-Bissau, and Mozambique until the Estado Novo government fell. Meanwhile, apartheid-era South Africa remained fiercely anti-communist, but withdrew from the British Commonwealth in 1961, and supported various pro-colonial factions across Africa that had lost support from their "home" governments in Europe. Many of the newly independent African governments struggled with the balance between being too weak and overthrown by ambitious coup-plotters, and too strong and becoming dictatorships.

Latin America saw gradual economic growth but also instability in many countries, as the threat of coups and military regimes (juntas) were a major threat. The most famous was the Cuban Revolution that overthrew Batista's American-friendly government for Fidel Castro's Soviet-aligned government. This led to the Cuban Missile Crisis in 1963, generally considered one of the incidents most dangerously close to turning the Cold War into a direct military conflict. The 1968 Peruvian coup d'état and also installed a Soviet-friendly government. Despite this, the region ultimately leaned toward the US in this period, with the CIA supporting American-friendly factions in the 1954 Guatemalan coup d'état, the 1964 Brazilian coup d'état, the 1973 Chilean coup d'état, and others. Nicaragua suffered the most, with the Nicaraguan Revolution seeing major military aid from both great powers to their favored factions that extended a civil war in the country for decades. Mexico escaped this unrest, although functioned largely as a one-party state dominated by the PRI. Argentina had a succession of idiosyncratic governments that courted both the US and USSR, but generally mismanaged the economy.

The Middle East saw events that presaged later conflicts in the 70s and 80s. After the end of the United Arab Republic (UAR), Syria's government was overthrown in the 1966 Syrian coup d'état and replaced with the Neo-Baathist Party, eventually leading to the leadership of the Assad family. Israel and its neighbors fought the Six-Day War in 1967 and the Yom Kippur War of 1973. Under Anwar Sadat and later Hosni Mubarak, Egypt switched from Nasserism to favoring the Western Bloc, and signed a peace treaty with Israel. Lebanon, once among the most prosperous and cultural centers of the region, collapsed into the decade-long Lebanese Civil War from 1975–1990. Iran's unpopular pro-American government was overthrown in the 1979 Iranian Revolution and eventually replaced by a new Islamic Republic headed by Ayatollah Khomeini. Iran and Baathist Iraq under Saddam Hussein soon fought each other in the Iran-Iraq War from 1980–1988, which ended inconclusively.

In East Asia, China underwent the Cultural Revolution from 1966 to 1976, a major internal struggle that saw an intense program of Maoism and persecution of perceived internal enemies. China's relations with the Soviets deteriorated in the 1960s and 70s, resulting in the Sino-Soviet split, although the two were able to cooperate on some matters. "Ping-pong diplomacy" led to a rapprochement between the US and China and American recognition of the Chinese communist government in the 1970s. China's pro-democracy movement was suppressed after the 1989 Tiananmen Square protests, and China's government survived the tensions that would roil the Soviet-aligned bloc during the 1980s. South Korea (in the June Democratic Struggle) and Taiwan (with the lifting of martial law) would take major steps toward liberalization in 1987–1988, shifting from Western-aligned one-party states to more fully participatory democracies.

The 1980s saw a general retreat for the communist bloc. The Soviet–Afghan War (1979–1989) is often called the "Soviet Union's Vietnam War" in comparison to the American defeat, being an expensive and ultimately unsuccessful war and occupation. More importantly, the intervening decades had seen that Eastern Europe was unable to compete economically with Western Europe, which undermined the promise of communist abundance compared to capitalist poverty. The Western capitalist economies had proven wealthier and stronger, which made matching the Soviet defense budget to the American one strain limited resources. The Pan-European Picnic in 1989 then set in motion a peaceful chain reaction with the subsequent fall of the Berlin Wall. The Revolutions of 1989 saw many countries of Eastern Europe throw off their communist governments, and the USSR declined to invade to re-establish them. East and West Germany were reunified. Client state status for many states ended, as there was no conflict left to fund. The Malta Summit on 3 December 1989, the failure of the August Coup by Soviet hardliners, and the formal dissolution of the Soviet Union on 26 December 1991 sealed the end of the Cold War.[3]


The end of the Cold War left the United States the world's sole superpower. Communism seemed discredited; while China remained an officially communist state, Deng Xiaoping's economic reforms and socialism with Chinese characteristics allowed for the growth of a capitalist private sector in China. In Russia, President Boris Yeltsin pursued a policy of privatization, spinning off former government agencies into private corporations, attempting to handle budget problems inherited from the USSR. The end of Soviet foreign aid caused a variety of changes in countries previously part of the Eastern Bloc; many officially became democratic republics, though some were more accurately described as authoritarian or oligarchic republics and one-party states.[4] Many Western commentators treated the development optimistically; it was thought the world was steadily progressing toward free, liberal democracies. South Africa, no longer able to attract Western support by claiming to be anti-communist, ended apartheid in the early 1990s, and many Eastern European countries switched to stable democracies. While some Americans had anticipated a "peace dividend" from budget cuts to the Defense Department, these cuts were not as large as some had hoped. International coalitions continued to have a role; the Gulf War saw a large international coalition undo Baathist Iraq's annexation of Kuwait, but other "police" style actions were less successful. Somalia and Afghanistan descended into long, bloody civil wars for almost the entirety of the decade (Somali Civil War, Afghan Civil War (1992–1996), Afghan Civil War (1996–2001)). Russia fought a brutal war in Chechnya that failed to suppress the insurgency there from 1994–1996; war would resume during the Second Chechen War in 1999–2000 that saw a resumption of Russian control after Russia successfully convinced enough rebels to join their cause with promises of autonomy. The breakup of Yugoslavia also led to a series of Yugoslav Wars; NATO eventually intervened in the Kosovo War. In the Middle East, the Israeli–Palestinian peace process offered the prospect of a long-term peace deal to many; the Oslo Accords signed in 1993 seemed to offer a "roadmap" to resolving the conflict. Despite these high hopes, they would be largely dashed in 2000–2001 after a breakdown of negotiations and the Second Intifada.


War on Terror, Afghanistan War, and Iraq War

The September 11 attacks were a series of coordinated suicide attacks by Al-Qaeda upon the United States on 11 September 2001. On that morning, nineteen Al-Qaeda terrorists hijacked four commercial passenger jet airliners.[5][6] The hijackers intentionally crashed two of the airliners into the Twin Towers of the World Trade Center in New York City, killing everyone on board and many others working in the buildings. Both buildings collapsed within two hours, destroying nearby buildings and damaging others. The hijackers crashed a third airliner into the Pentagon in Arlington, Virginia, just outside Washington, D.C. The fourth plane crashed into a field near Shanksville in rural Somerset County, Pennsylvania, after some of its passengers and flight crew attempted to retake control of the plane, which the hijackers had redirected toward Washington, D.C.

In response, the United States under President George W. Bush enacted the Patriot Act. Many other countries also strengthened their anti-terrorism legislation and expanded law enforcement powers. Major terrorist events after the September 11 attacks include the Moscow theater hostage crisis, the Istanbul bombings, the Madrid train bombings, the Beslan school siege, the London bombings, the Delhi bombings, and the Mumbai attacks, generally from Islamic terrorism.

The United States responded to the 11 September 2001 attacks by launching a "Global War on Terrorism", invading the Islamic Emirate of Afghanistan to depose the Taliban, who had harbored al-Qaeda terrorists. The War in Afghanistan began in late 2001 and was launched by the UN-authorized ISAF, with the United States and United Kingdom providing most of the troops. The Bush administration policy and the Bush Doctrine stated forces would not distinguish between terrorist organizations and nations or governments that harbor them. Operation Enduring Freedom (OEF) was the United States combat operation involving some coalition partners and operating primarily in the eastern and southern parts of the country along the Pakistan border; the ISAF established by the United Nations Security Council was in charge of securing the capital of Kabul and its surrounding areas. NATO assumed control of ISAF in 2003.

Despite initial coalition successes, the Taliban were never entirely defeated, and continued to hold territory in mountainous regions as well as threaten the new government, the Islamic Republic of Afghanistan, whose grasp on power outside the major cities was shaky at best.[7][8] The war was also less successful in restricting al-Qaeda than anticipated.[9]

The Second Gulf War began in March 2003 with the invasion of Iraq by a multinational force.[10] The invasion of Iraq led to an occupation and the eventual capture of Saddam Hussein, who was later executed by the Iraqi Government. Despite government assumptions that the war in Iraq would be over with the fall of Hussein, it continued and intensified. Sectarian groups both fought each other and the occupying coalition forces via asymmetric warfare during the Iraqi insurgency, as Iraq was starkly divided between Sunni, Shia, and Kurdish groups that now competed with each other for power. Al-Qaeda operations in Iraq continued as well.[11][12] In late 2008, the U.S. and Iraqi governments approved a Status of Forces Agreement effective through to the end of 2011.[13]

The Obama administration re-focused US involvement in the conflict on the withdrawal of its troops from Iraq and a surge of troops and government support in Afghanistan. In May 2011, the bin Laden raid occurred after bin Laden was tracked to his compound in Abbottabad, Pakistan.[14]

In 2011, the United States declared a formal end to the Iraq War.[15][16][17] In February 2020, President Donald Trump agreed with the Taliban to withdraw all American troops from Afghanistan over the next year. The Biden administration delayed the withdrawal by a few months, but still largely kept to the deal; the coalition-supported Afghan government soon collapsed, and the Taliban took undisputed control of the country in August 2021 after the successful 2021 Taliban offensive.

Arab Spring and Syria

The Arab Spring began in earnest in 2010 with anti-government protests in the Muslim world, but quickly escalated to full-scale military conflicts in countries like Syria, Libya, and Yemen and also gave the opportunity for the emergence of various militant groups including the Islamic State (IS). The IS was able to take advantage of social media platforms including Twitter to recruit foreign fighters from around the world and seized significant portions of territory in Iraq, Syria, Afghanistan, and the Sinai Peninsula of Egypt from 2013 and ongoing. On the other hand, some violent militant organizations were able to negotiate peace with governments including the Moro Islamic Liberation Front in the Philippines in 2014. The presence of IS and the stalemate in the Syrian Civil War created a migration of refugees to Europe and also galvanized and encouraged high-profile terrorism attacks and armed conflicts around the world, such as the November 2015 Paris attacks and the Battle of Marawi in the Philippines in 2017. In 2014, the United States decided to intervene against the Islamic State in Iraq, with most IS fighters being driven out by the end of 2018. Russia and Iran also jointly launched a campaign against IS and in support of Syrian President Bashar al-Assad. As of 2022, Assad has largely regained authority in the southern half of the country, while the northern reaches are controlled by a mixture of Arab Sunni rebels, Kurds, and Turkey.


Vladimir Putin, Yeltsin's successor, was very popular in Russia after his victory in the Second Chechen War. He portrayed himself as a corruption fighter initially, checking Russian oligarchs who had acquired vast wealth during Russia's liberalization period. With a combination of genuine popularity and legal rollbacks, Russia gradually moved toward being a one-party state, a democracy but one where Putin's party always won. Russia has since intervened in a variety of military conflicts in its neighboring countries including the 2008 Russo-Georgian War; the 2014 Russo-Ukrainian War and Annexation of Crimea; a 2015 intervention in the Syrian Civil War; and the expansion of the Russo-Ukrainian War to the full-fledged 2022 Russian invasion of Ukraine where Russia declared their intent to depose the Ukrainian government and install a compliant, Russia-friendly government. The Russian government has often cited the enlargement of NATO as a major complaint.

Economic history

The end of World War II in 1945 saw an increase in international trade and an interconnected system of treaties and agreements to ease its flow. In particular, the United States and the United States dollar took a pivotal role in the world economy, displacing the UK. The era is sometimes called "Pax Americana" for the relative liberal peace in the Western world, resulting from the preponderance of power enjoyed by the US, as a comparison to the Pax Romana established at the height of the Roman Empire. New York's financial sector ("Wall Street") was the center of the financial world from 1945–1970 in a dominant way unlikely to be seen again. Unlike the aftermath of World War I, the US strongly aided in the rebuilding of Europe, including aid to the defeated Axis nations, rather than punishment. The Marshall Plan sent billions of dollars of aid to Western Europe to ensure its stability and ward off a potential economic downturn. The 1944 Bretton Woods Conference established the Bretton Woods system, a set of practices that governed world trade and currencies from 1945–1971, as well as the World Bank and the International Monetary Fund (IMF). Western Europe also established the European Economic Community in 1957 to ease customs and aid international trade. In general, vast quality of life improvements affected most every corner of the globe during this period, in both the Western and Eastern spheres. France called them Les Trente Glorieuses ("The Glorious Thirty [Years]"). Despite being largely destroyed in the war, West Germany soon bounced back to being an economic powerhouse by the 1950s with the wirtschaftswunder. Surprisingly, Japan followed Germany, achieving incredible economic growth and becoming the second largest economy in the world in 1968, a phenomenon called the Japanese economic miracle. Many explanations are proffered for the enviable results of these years: relative peace (at least outside the "Third World"); a reduction in average family size; technological improvements; and others. The Eastern Bloc, meanwhile, established Comecon as their equivalent to the Marshall Plan and to establish internal trading rules between communist states.

The 1970s saw economic headwinds. Notably, the price of oil started to go up in the 1970s, as the easiest and most accessible wells had already been pumped dry in the preceding century, and oil is a non-renewable resource. Attention was drawn to the abundant oil in the Middle East, where countries in OPEC controlled substantial untapped oil reserves. Political tensions over the Yom Kippur War and the Iranian Revolution led to the 1973 oil crisis and 1979 oil crisis. The Soviet Union called it the "Era of Stagnation". The 1970s and 80s also saw the rise of the Four Asian Tigers, as South Korea, Taiwan, Singapore, and Hong Kong emulated the Japanese route to prosperity with varying degree of success. In China, the leftist Gang of Four were overthrown in 1976, and Deng Xiaoping pursued a policy of tentatively opening the Chinese economy to capitalist innovations throughout the 1980s, which would be continued by his successors in the 1990s. China's economy, tiny in 1976, would see tremendous growth, and eventually take the spot as second largest economy from Japan in 2010. Among Western economies, the collapse of the Bretton Woods system was replaced by a more flexible era of floating exchange rates. The Group of Seven (G7) first met in 1975 and become one of the main international forums that regulated international trade among industrialized nations. The Soviet Union implemented a policy of perestroika in the 1980s which allowed tentative market reforms. The fall of the USSR saw differing approaches in the 1990s in the East: some newly independent states went in a capitalist direction such as Estonia, some maintained a strong governmental presence in their economy, and some opted for a mix. The privatization of government firms and resources drew accusations of crony capitalism in many states, however, including the Russian Federation, the largest and most important state of the USSR; the beneficiaries of the turbulent period were often called the "Russian oligarchs".

In the beginning of the 2000s, there was a global rise in prices in commodities and housing, marking an end to the commodities recession of 1980–2000. The US mortgage-backed securities, which had risks that were hard to assess, were marketed around the world and a broad based credit boom fed a global speculative bubble in real estate and equities. The financial situation was also affected by a sharp increase in oil and food prices. The collapse of the American housing bubble caused the values of securities tied to real estate pricing to plummet thereafter, damaging financial institutions.[18] The late-2000s recession, a severe economic recession which began in the United States in 2007,[19] was sparked by the outbreak of the financial crisis of 2007–2010.[20] The modern financial crisis was linked to earlier lending practices by financial institutions and the trend of securitization of American real estate mortgages.[21]

The Great Recession[22][23] spread to much of the industrialized world,[24] and has caused a pronounced deceleration of economic activity. The global recession occurred in an economic environment characterized by various imbalances. This global recession has resulted in a sharp drop in international trade, rising unemployment and slumping commodity prices. The recession renewed interest in Keynesian economic ideas on how to combat recessionary conditions. However, various industrial countries continued to undertake austerity policies to cut deficits, reduced spending, as opposed to following Keynesian theories.

Countries by real GDP growth rate in 2014. (Countries in brown were in recession.)

From late 2009 European sovereign-debt crisis, fears of a sovereign debt crisis developed among investors concerning rising government debt levels across the globe together with a wave of downgrading of government debt of certain European states. Concerns intensified early 2010 and thereafter making it difficult or impossible for sovereigns to re-finance their debts. On 9 May 2010, Europe's Finance Ministers approved a rescue package worth €750 billion aimed at ensuring financial stability across Europe. The European Financial Stability Facility (EFSF) was a special purpose vehicle financed by members of the eurozone to combat the European sovereign debt crisis. In October 2011 eurozone leaders agreed on another package of measures designed to prevent the collapse of member economies. The three most affected countries, Greece, Ireland and Portugal, collectively account for six percent of eurozone's gross domestic product (GDP). In 2012, eurozone finance ministers reached an agreement on a second €130-billion Greek bailout. In 2013, the European Union agreed to a €10 billion economic bailout for Cyprus. By 2020 the COVID pandemic caused much economic disruption.

Contemporary science and technology

Computing and the Internet

A visualization of the various routes through a portion of the Internet. Partial map of the Internet based in 2005.

The Information Age or Information Era, also commonly known as the Age of the Computer, is an idea that the current age will be characterized by the ability of individuals to transfer information freely, and to have instant access to knowledge that would have been difficult or impossible to find previously. The idea is heavily linked to the concept of a Digital Age or Digital Revolution, and carries the ramifications of a shift from traditional industry that the Industrial Revolution brought through industrialization, to an economy based around the manipulation of information. The period is generally said to have begun in the latter half of the 20th century, though the particular date varies. The term began its use around the late 1980s and early 1990s, and has been used up to the present with the availability of the Internet.

During the late 1990s, both Internet directories and search engines were popular—Yahoo! and Altavista (both founded 1995) were the respective industry leaders. By late 2001, the directory model had begun to give way to search engines, tracking the rise of Google (founded 1998), which had developed new approaches to relevancy ranking. Directory features, while still commonly available, became after-thoughts to search engines. Database size, which had been a significant marketing feature through the early 2000s (decade), was similarly displaced by emphasis on relevancy ranking, the methods by which search engines attempt to sort the best results first.

"Web 2.0" is characterized as facilitating communication, information sharing, interoperability, User-centered design[25] and collaboration on the World Wide Web. It has led to the development and evolution of web-based communities, hosted services, and web applications. Examples include social-networking sites, video-sharing sites, wikis, blogs, mashups and folksonomies. Social networking emerged in the early 21st century as a popular social communication, largely replacing much of the function of email, message boards and instant messaging services. Twitter, Facebook, and YouTube are all major examples of social websites that gained widespread popularity. The information distribution continued into the early 21st century with mobile interaction and Internet access growing massively in the early 21st century. By the 2010s, a majority of people in the developed world had Internet access and a majority of people worldwide had a mobile phone.[26] Marking the rise of mobile computing, worldwide sales of personal computers fall 14% during the first quarter of 2013. The Semantic Web (dubbed, "Web 3.0") begins the inclusion of semantic content in web pages, converting the current web dominated by unstructured and semi-structured documents into a "web of data".

With the rise of information technology, computer security, and information security in general, is a concern for computers and networks. Concerns include information and services which are protected from unintended or unauthorized access, change or destruction. This has also raised questions of Internet privacy and personal privacy globally.

Space exploration

The Space Race was one of the rivalries of the Cold War, with both the United States space program (NASA) and the Soviet space program launching satellites, probes, and planning missions. While the Soviets put the first human into space with Yuri Gagarin, the Americans soon caught up, and the US was the first to launch a successful moon landing mission with Apollo 11.

In the 1970s and 80s, the US took a new approach with the Space Shuttle program, hoping to reduce the cost of launches by creating a re-usable Space Shuttle. The first fully functional Space Shuttle orbiter was Columbia (designated OV-102), launched into low Earth orbit in April 1981. In 1996, Shuttle mission STS-75 conducted research in space with the electrodynamic tether generator and other tether configurations. The program suffered from two incidents that destroyed a shuttle: the Challenger disaster and the Columbia disaster). The program ultimately had 135 missions. The retirement of NASA's Space Shuttle fleet took place from March to July 2011.

The end of the Cold War saw a new era of international cooperation with the International Space Station (ISS). Commercial spaceflight also became possible as governments loosened what had previously been their firm control over satellites, opening new possibilities, but also new risks such as light pollution from satellites. The Commercial Orbital Transportation Services (COTS) program began in 2006.

There are various spaceports, including spaceports of human spaceflight and other launch systems (space logistics). Private spaceflight is flight beyond the Kármán line[27] that is conducted and paid for by an entity other than a government agency. Commercialization of space is the use of equipment sent into or through outer space to provide goods or services of commercial value, either by a corporation or state. Space trade plans and predictions began in the 1960s. Spacecraft propulsion[28] is any method used to accelerate spacecraft and artificial satellites.

NASA announced in 2011 that its Mars Reconnaissance Orbiter captured photographic evidence of possible liquid water on Mars during warm seasons. On 6 August 2012, the Mars Science Laboratory Curiosity, the most elaborate Martian exploration vehicle to date, landed on Mars. After the WMAP observations of the cosmic microwave background, information was released in 2011 of the work done by the Planck Surveyor, estimating the age of the Universe to 13.8 billion years old (a 100 million years older than previously thought). Another technological advancement came in 2012 with European physicists statistically demonstrating the existence of the Higgs boson.[29]

Forecasting the future

The world is in the third millennium. The 21st century is the century of the Christian Era or Common Era in accordance with the Gregorian calendar. It began on 1 January 2001 and will end 31 December 2100. The 2020s, or The 20s, decade runs from 1 January 2020, to 31 December 2029.

The third millennium is the third period of one thousand years. As this millennium is in progress, only its first decade, the 2000s (decade), can be the subject of the conventional historian's attention. The remaining part of the 21st century and longer-term trends are researched by futures studies, an approach that uses various models and several methods (such as "forecasting" and "backcasting"). Ever since the invention of history, people have searched for "lessons" that might be drawn from its study, on the principle that to understand the past is potentially to control the future.[30] A famous quote by George Santayana has it that "Those who cannot remember the past are condemned to repeat it."[31] Arnold J. Toynbee, in his monumental Study of History, sought regularities in the rise and fall of civilizations.[32] In a more popular vein, Will and Ariel Durant devoted a 1968 book, The Lessons of History, to a discussion of "events and comments that might illuminate present affairs, future possibilities... and the conduct of states."[33] Discussions of history's lessons often tend to an excessive focus on historic detail or, conversely, on sweeping historiographic generalizations.[34]

Future studies takes as one of its important attributes (epistemological starting points) the ongoing effort to analyze alternative futures. This effort includes collecting quantitative and qualitative data about the possibility, probability, and desirability of change. The plurality of the term "futures" in futurology denotes the rich variety of alternative futures, including the subset of preferable futures (normative futures), that can be studied.

Practitioners of the discipline previously concentrated on extrapolating present technological, economic or social trends, or on attempting to predict future trends, but more recently they have started to examine social systems and uncertainties and to build scenarios, question the worldviews behind such scenarios via the causal layered analysis method (and others) create preferred visions of the future, and use backcasting to derive alternative implementation strategies. Apart from extrapolation and scenarios, many dozens of methods and techniques are used in futures research.[35]

Socio-technological trends

At the end of the 20th century, the world was at a major crossroads. Throughout the century, more technological advances had been made than in all of preceding history. Computers, the Internet, and other modern technology radically altered daily lives. Increased globalization, specifically Americanization, had occurred. While not necessarily a threat, it has sparked anti-Western and anti-American sentiment in parts of the developing world, especially the Middle East. The English language has become a leading global language, with people who did not speak it becoming increasingly disadvantaged.

A trend connecting economic and political events in North America, Asia, and the Middle East is the rapidly increasing demand for fossil fuels, which, along with fewer new petroleum finds, greater extraction costs (see peak oil), and political turmoil, saw the price of gas and oil soar ~500% between 2000 and 2005. In some places, especially in Europe, gas could be $5 a gallon, depending on the currency. Less influential, but omnipresent, is the debate on Turkey's participation in the European Union. New urbanism and urban revival continue to be forces in urban planning in the United States.[36] However, evidence shows that growth of American suburbs still outpaces urban growth.[37]

Emerging technologies

Various emerging technologies, the recent developments and convergences in various fields of technology, hold possible future impacts. Emerging technologies cover various cutting-edge developments in the emergence and convergence of technology, including transportation, information technology, biotechnology, robotics and applied mechanics, and material science. Their status and possible effects involve controversy over the degree of social impact or the viability of the technologies. Though, these represent new and significant developments within a field; converging technologies represent previously distinct fields which are in some way moving towards stronger inter-connection and similar goals.

Challenges and problems

Climate change

Climate change and global warming reflects the notion of the modern climate. The changes of climate over the past century, have been attributed to various factors which have resulted in a global warming. This warming is the increase in the average temperature of the Earth's near-surface air and oceans since the mid-20th century and its projected continuation. Some effects on both the natural environment and human life are, at least in part, already being attributed to global warming. A 2001 report by the Intergovernmental Panel on Climate Change suggests that glacier retreat, ice shelf disruption such as that of the Larsen Ice Shelf, sea level rise, changes in rainfall patterns, and increased intensity and frequency of extreme weather events are attributable in part to global warming.[38] Other expected effects include water scarcity in some regions and increased precipitation in others, changes in mountain snowpack, and adverse health effects from warmer temperatures.[39]

It usually is impossible to connect specific weather events to human impact on the world. Instead, such impact is expected to cause changes in the overall distribution and intensity of weather events, such as changes to the frequency and intensity of heavy precipitation. Broader effects are expected to include glacial retreat, Arctic shrinkage, and worldwide sea level rise. Other effects may include changes in crop yields, addition of new trade routes,[40] species extinctions,[41] and changes in the range of disease vectors. Until 2009, the Arctic Northwest Passage pack ice prevented regular marine shipping throughout most of the year in this area, but climate change has reduced the pack ice, and this Arctic shrinkage made the waterways more navigable.[42][43][44][45]


In 2020, an outbreak of the COVID-19 disease, first documented in late 2019 in Wuhan, China, spread to other countries becoming a global pandemic, which caused a major socio-economic disruption all over the world. Many countries ordered mandatory lockdowns on movement and closures of non-essential businesses.[46] The threat of the disease caused the COVID-19 recession, although the distribution of vaccines has since eased the economic impact in many countries.

More generally, COVID-19 has been held up as an example of a global catastrophic risk unique to the modern era's ease of travel. New diseases can spread far faster and further in the contemporary era than any previous era of human history; pandemic prevention is one resulting field to ensure that if this happens with a sufficiently deadly virus, humanity can take measures to stop its spread.



PostmodernityModernityWar on TerrorCold WarWWIIBig DataInformation AgeIntegrated circuitIntegrated circuitTransistorVacuum tube

Contemporary world map

Political map of country and territory boundaries

See also

Modern history, Timelines of modern history, Phases of modernity, Present-day, Contemporary philosophy, Universal history, Future history
Generation, List of generations, Baby Boom Generation, Generation X, Xennials, Generation Y, Generation Z, Generation Alpha
Music and arts
Contemporary art, Contemporary dance, Contemporary literature, Contemporary music, Contemporary hit radio, Adult contemporary music, Contemporary Christian music, Contemporary R&B, Urban contemporary, Video games


  1. ^ Brivati, Brian (1996). "Introduction". In Brivati, Brian; Buxton, Julia; Seldon, Anthony (eds.). The contemporary history handbook (1st ed.). Manchester: Manchester University Press. p. xvi. ISBN 9780719048364.
  2. ^ Gaddis 2005, p. 33-60
  3. ^ Gaddis 2005, p. 237-257
  4. ^ Steven Levitsky, Lucan A. Way. Competitive Authoritarianism: Hybrid Regimes After the Cold War. 2010. Pg 3.
  5. ^ "Security Council Condemns, 'In Strongest Terms', Terrorist Attacks on the United States". United Nations. 12 September 2001. Retrieved 11 September 2006. The Security Council today, following what it called yesterday's "horrifying terrorist attacks" in New York, Washington, D.C., and Pennsylvania, unequivocally condemned those acts, and expressed its deepest sympathy and condolences to the victims and their families and to the people and Government of the United States.
  6. ^ "Bin Laden claims responsibility for 9/11". CBC News. 29 October 2004. Retrieved 11 January 2009. Al-Qaeda leader Osama bin Laden appeared in a new message aired on an Arabic TV station Friday night, for the first time claiming direct responsibility for the 2001 attacks against the United States.
  7. ^ "The Taliban Resurgence in Afghanistan". Archived from the original on 27 September 2006. Retrieved 9 July 2009.
  8. ^ "Afghanistan could return to being a 'failed State,' warns Security Council mission chief". 22 November 2006.
  9. ^ Rothstein, Hy S (15 August 2006). Afghanistan: and the troubled future of unconventional warfare By Hy S. Rothstein. ISBN 978-81-7049-306-8.
  10. ^ "US Names Coalition of the Willing". BBC News. 18 March 2003. Retrieved 3 November 2007.
  11. ^ U.S. Defense Secretary Robert Gates, 2 Feb 2007, see "four wars" remark
  12. ^ "CBS on civil war". CBS News. 26 September 2006.
  13. ^ "Agreement Between the United States of America and the Republic of Iraq On the Withdrawal of United States Forces from Iraq and the Organization of Their Activities during Their Temporary Presence in Iraq" (PDF). Archived from the original (PDF) on 25 March 2009. Retrieved 9 July 2009.
  14. ^ Mazzetti, Mark; Cooper, Helene; Baker, Peter (3 May 2011). "Clues Gradually Led to the Location of Osama bin Laden". The New York Times. Retrieved 4 May 2011.
  15. ^ "US flag ceremony ends Iraq operation". BBC News. 15 December 2011. Retrieved 15 December 2011.
  16. ^ "US lowers flag to end Iraq war". Associated Press. 15 December 2011. Retrieved 15 December 2011.
  17. ^ Mak, Tim (15 December 2011). "Leon Panetta marks end of Iraq war". Politico. Retrieved 15 December 2011.
  18. ^ This American Life. "NPR-The Giant Pool of Money-April 2009". Archived from the original on 15 April 2010. Retrieved 1 May 2010.
  19. ^ In December 2008, the National Bureau of Economic Research (NBER) declared that the United States had been in recession since December 2007. See Isidore, Chris (1 December 2008). "It's official: Recession since December '07". CNN. Retrieved 10 April 2009. for more information.
  20. ^ Hulbert, Mark (15 July 2010). "It's Dippy to Fret About a Double-Dip Recession".
  21. ^ Mishkin, Fredric S. (15 May 2008). How Should We Respond to Asset Price Bubbles? (Speech). Retrieved 18 April 2009.
  22. ^ See Great Recession for the origins and other uses of this label.
  23. ^ Wessel, David (8 April 2010). "Did 'Great Recession' Live Up to the Name?". The Wall Street Journal.
  24. ^ One of the major developments was when Standard & Poor's downgraded Greece's sovereign credit rating to junk four days after the activation of a €45-billion EU–IMF bailout, triggering the decline of stock markets worldwide and of the Euro's value, and furthered the European sovereign debt crisis.
  25. ^ "Core Characteristics of Web 2.0 Services". 28 November 2008.
  26. ^ "Total mobile subscribers top 1.8 billion". MobileTracker Cell Phone News and Reviews. 18 May 2005. Archived from the original on 19 January 2008. Retrieved 31 December 2008.
  27. ^ This is above the nominal edge of space at 100 km (62 mi) Earth's altitude. See also: Turbopause; Low, Medium, and High Earth orbit.
  28. ^ There are many different methods, in conventional and unconventional propulsion systems. Each method has drawbacks and advantages, and spacecraft propulsion is an active area of research. However, most spacecraft today are propelled by forcing a gas from the back/rear of the vehicle at very high speed through a supersonic de Laval nozzle. This sort of engine is called a rocket engine.
  29. ^ Higgs boson-like particle discovery claimed at LHC
  30. ^ Robert V. Daniels, "History", Encyclopedia Americana, 1986 ed., vol. 14, p. 227.
  31. ^ George Santayana, "The Life of Reason", Volume One, p. 82, BiblioLife, ISBN 978-0-559-47806-2
  32. ^ Arnold J. Toynbee, A Study of History, vols. I–XII, Oxford University Press, 1934–61.
  33. ^ Will and Ariel Durant, The Lessons of History, New York, Simon and Schuster, 1968, prelude.
  34. ^ Berkeley Eddins and Georg G. Iggers, "History", Encyclopedia Americana, 1986 ed., vol. 14, pp. 243–44.
  35. ^ For the multidisciplinary area of research focused at mathematical modeling of historical dynamics that can be applied to events, see Cliodynamics
  36. ^ The bold urban future starts now – Dream City –
  37. ^ "Even After the Housing Bust, Americans Still Love the Suburbs | Trulia Trends". Archived from the original on 12 April 2013. Retrieved 13 March 2015.
  38. ^ "Climate Change 2001: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Third Assessment Report of the Intergovernmental Panel on Climate Change". IPCC. 16 February 2001. Archived from the original on 3 March 2007. Retrieved 14 March 2007.
  39. ^ McMichael AJ, Woodruff RE, Hales S (2006). "Climate change and human health: present and future risks". Lancet. 367 (9513): 859–69. doi:10.1016/S0140-6736(06)68079-3. PMID 16530580. S2CID 11220212.
  40. ^ Macey, Jennifer (19 September 2007). "Global warming opens up Northwest Passage". ABC News. Retrieved 11 December 2007.
  41. ^ "Climate Change 2007: Synthesis report" (PDF). IPCC. 5 February 2007. Retrieved 3 February 2009.
  42. ^ European Space Agency, "News: Satellites Witness Lowest Arctic Ice Coverage in History," 14 September 2007.
  43. ^ "Warming 'opens Northwest Passage'". BBC News. 14 September 2007.
  44. ^ BBC News "Plain Sailing on the Northwest Passage"
  45. ^ Keating, Joshua E. (December 2009). "The Top 10 Stories You Missed in 2009: A few ways the world changed while you weren't looking". Foreign Policy.
  46. ^ The Global Crisis of Our Time: The Long-Term Impacts of COVID-19, Oxford Research Group

Further reading

  • Bell, P. M. H. and Mark Gilbert. The World Since 1945: An International History (2nd ed. 2017), 584pp excerpt
  • Boyd, Andrew, Joshua Comenetz. An atlas of world affairs (2007) excerpt. ISBN 0-415-39169-5
  • Briggs, Asa, and Peter Burke. A Social History of the Media: From Gutenberg to the Internet (2002) excerpt.
  • Gaddis, John Lewis (2005). The Cold War: A New History. Penguin Books.
  • Hunt, Michael H. The World Transformed: 1945 to the Present (2nd ed. 2015) 624pp website
  • Hunt, Michael H. ed., The World Transformed, 1945 to the Present: A Documentary Reader (2nd ed. 2001) primary sources excerpts
  • McWilliams, Wayne C. and Harry Piotrowski. The World Since 1945: A History of International Relations (8th ed. 2014), 620pp

External links