Century

20th Century

940 sourced events. Showing 889-912.

Events

20th Century Timeline

All Centuries

Technology20th CenturyNorth America

Hubble Space Telescope Launched into Orbit

After years of development and delays following the Challenger disaster, NASA prepared the Hubble Space Telescope for deployment. On April 24, 1990, Space Shuttle Discovery lifted off from Kennedy Space Center carrying Hubble in its payload bay as part of the STS-31 mission. The telescope, designed to observe the universe free from Earth's atmospheric distortion, represented a collaborative effort involving multiple institutions and international partners. Hubble was deployed the following day into low Earth orbit, beginning its long-term mission of astronomical discovery.

Military20th CenturyMiddle East & North Africa

Iraq Invades Kuwait, Sparking Gulf War

Tensions over oil production quotas, debt from the Iran-Iraq War, and territorial disputes had escalated between Iraq and Kuwait by mid-1990. On August 2, Iraqi forces under Saddam Hussein launched a rapid invasion, overwhelming Kuwaiti defenses and occupying the country within hours. The United Nations Security Council immediately condemned the action and demanded withdrawal. The invasion led to the establishment of a short-lived puppet government and the flight of the Kuwaiti royal family. International coalitions began forming in response, setting the stage for military intervention months later.

Science20th CenturyNorth America

Most Complete T. rex Skeleton Found

Paleontologist Susan Hendrickson was prospecting in the badlands near Faith, South Dakota, when she spotted three large bones protruding from a cliff face on August 12, 1990. The find belonged to a Tyrannosaurus rex that had died approximately 67 million years earlier. Excavation over subsequent months revealed a remarkably complete and well-preserved skeleton, later named "Sue" after its discoverer, with over 90 percent of the bones recovered. The specimen provided unprecedented insights into the anatomy and biology of the iconic dinosaur.

CultureBorn On20th CenturyNorth America

Bo Burnham Born in Hamilton, Massachusetts

Robert Pickering Burnham, known professionally as Bo Burnham, was born on August 21, 1990, in Hamilton, Massachusetts. As a teenager he reached a large audience by posting intricately worded comic songs online, then moved into touring, albums, and theatrical stand-up specials. His shows combine music, lighting, editing, choreography, and self-conscious commentary about performance, audience expectations, fame, and mental health. Burnham later wrote and directed the film Eighth Grade, and his 2021 special Inside used a single-room production to examine isolation and digital life.

Politics20th CenturyEurope

East and West Germany Reunify as One Nation

After the fall of the Berlin Wall in 1989 and the collapse of communist regimes across Eastern Europe, negotiations accelerated between the two German states and the wartime Allied powers. The Two Plus Four Treaty addressed external aspects of unification, including NATO membership for the unified state. On October 3, 1990, the German Democratic Republic acceded to the Federal Republic of Germany, dissolving the GDR and incorporating its five states plus Berlin. Ceremonies featured flag-raising at the Reichstag and celebrations across the country. Helmut Kohl served as the first chancellor of the enlarged republic. Economic and social integration challenges followed immediately.

Politics20th CenturyEurope

Lech Wałęsa Wins Poland's First Direct Presidential Election

After the 1989 Round Table Agreements ended communist rule and the June parliamentary elections produced a Solidarity-led government, Poland moved toward full democracy. Solidarity founder and Nobel laureate Lech Wałęsa, initially reluctant, entered the presidential race with the slogan "I don't want to, but I have to." Poland's first direct popular presidential election occurred on December 9, 1990, pitting Wałęsa against Prime Minister Tadeusz Mazowiecki and others. Wałęsa secured a landslide victory, becoming the first democratically elected Polish president since 1926 and the first non-communist head of state in forty-five years. He was sworn in later that month for a five-year term.

Military20th CenturyMiddle East & North Africa

Operation Desert Storm Air Campaign Launched

Following Iraq's August 1990 invasion of Kuwait, a U.S.-led coalition of 42 nations assembled under UN authorization after diplomatic efforts failed. On January 16, 1991, the White House announced the start of the liberation of Kuwait, with coalition aircraft initiating a massive air bombardment of Iraqi military targets. The campaign involved over 100,000 sorties and extensive use of precision munitions over five weeks. It preceded a ground offensive in February that rapidly expelled Iraqi forces from Kuwait. The operation demonstrated advanced military technology and coalition coordination.

Politics20th CenturyEurope

Lithuania Holds Independence Referendum

Amid the unraveling of the Soviet Union, Lithuania had declared independence in March 1990 but faced economic blockade and military pressure from Moscow. A nationwide referendum on February 9, 1991, asked citizens to affirm their support for full independence and a democratic state. Over 90 percent of participants voted yes with high turnout. The vote came weeks before the failed August coup in Moscow and strengthened Lithuania's international position. It served as a model for other Baltic states seeking sovereignty.

Military20th CenturyMiddle East & North Africa

Coalition Launches Ground Offensive in Gulf War

After Iraq's August 1990 invasion of Kuwait, a U.S.-led coalition assembled forces in Saudi Arabia under Operation Desert Shield and began an air campaign in January 1991 to degrade Iraqi defenses. On February 24, 1991, coalition ground forces under General Norman Schwarzkopf initiated Operation Desert Sabre, crossing from Saudi Arabia into Kuwait and southern Iraq with armored and airborne units. The advance caught Iraqi troops off guard after weeks of bombardment, leading to rapid surrenders and the destruction of Republican Guard divisions near Basra. Within 100 hours, Kuwait City was liberated and Iraqi forces were in retreat, prompting a ceasefire on February 28. The swift campaign demonstrated the effectiveness of combined arms operations and precision technology.

Military20th CenturyMiddle East & North Africa

Battle of 73 Easting: Decisive Gulf War Tank Engagement

During Operation Desert Storm in the 1991 Gulf War, U.S. and coalition forces advanced into Iraqi-occupied Kuwait and southern Iraq to expel Saddam Hussein's army. The 2nd Armored Cavalry Regiment served as a screening force ahead of VII Corps, tasked with locating and engaging elements of the elite Iraqi Republican Guard Tawakalna Division. On February 26, 1991, in poor visibility from fog and sandstorms, Eagle Troop of the regiment crossed the 73 Easting coordinate line and encountered dug-in Iraqi armored units. Using superior M1A1 Abrams tanks and advanced targeting systems, U.S. forces destroyed dozens of Iraqi T-72 tanks and other vehicles in a rapid engagement lasting under an hour. The battle resulted in minimal coalition losses and effectively neutralized the...

Military20th CenturyMiddle East & North Africa

Coalition Forces Liberate Kuwait in Gulf War

Following Iraq’s invasion and occupation of Kuwait in August 1990, a U.S.-led international coalition conducted Operation Desert Storm, a six-week air campaign followed by a rapid ground offensive. On February 27, 1991, after just 100 hours of ground combat, coalition forces had driven Iraqi troops from Kuwait, and President George H.W. Bush announced a ceasefire effective at midnight. Iraqi forces suffered heavy losses while retreating, and the swift victory restored Kuwait’s sovereignty. The operation demonstrated the effectiveness of precision weaponry and coalition warfare in the post-Cold War era.

Military20th CenturyMiddle East & North Africa

Gulf War Ceasefire Ends Major Combat

Following Iraq's 1990 invasion of Kuwait, a U.S.-led coalition of 35 nations launched Operation Desert Storm in January 1991 with air and ground campaigns to expel Iraqi forces. After weeks of intense fighting that liberated Kuwait, President George H.W. Bush announced a ceasefire on February 28, 1991, halting offensive operations 100 hours after the ground war began. Iraqi troops withdrew, though Saddam Hussein remained in power and later suppressed internal revolts. The swift victory demonstrated advanced coalition military technology and international cooperation under UN auspices. It reshaped Middle East geopolitics, led to no-fly zones, and set precedents for future interventions while leaving unresolved issues like sanctions on Iraq.

Politics20th CenturySouth Asia

Rajiv Gandhi Assassinated by Suicide Bomber

Rajiv Gandhi, former Prime Minister of India and leader of the Indian National Congress, was campaigning in Tamil Nadu ahead of general elections following his party's ouster. On the evening of May 21, 1991, at an election rally in Sriperumbudur near Madras, he greeted supporters and was approached by Thenmozhi Rajaratnam, a member of the Liberation Tigers of Tamil Eelam (LTTE). As she bent to touch his feet in greeting, she detonated an RDX explosive belt, killing Gandhi, herself, and at least 14 others while injuring dozens more. The attack was captured on film and stemmed from LTTE retaliation for India's earlier peacekeeping role in Sri Lanka's civil war.

Disaster20th CenturySoutheast Asia

Mount Pinatubo Erupts in Major Volcanic Blast

Mount Pinatubo in the Philippines had been dormant for centuries until seismic activity and steam explosions began in April 1991, prompting evacuation of thousands from surrounding villages and U.S. military bases at Clark and Subic Bay. On June 15, the volcano produced one of the largest eruptions of the twentieth century, sending ash plumes more than 30 kilometers high and collapsing its summit into a caldera. Pyroclastic flows and lahars devastated communities, while the plume circled the globe, cooling global temperatures slightly for the next two years. Over 800 people died, mostly from collapsing roofs under heavy ash, though timely warnings saved many more.

Technology20th CenturyEurope

Tim Berners-Lee Launches First Website

At CERN in Switzerland, physicist Tim Berners-Lee had developed the foundational technologies of the World Wide Web—HTML, URLs, and HTTP—to facilitate information sharing among researchers. After an initial internal demonstration in 1990, he made the system available more broadly. On August 6, 1991, Berners-Lee posted the first public announcement of the World Wide Web project to the alt.hypertext newsgroup and made the initial website, info.cern.ch, accessible on the internet. The site explained the project and provided instructions for creating web pages. This marked the public debut of a technology that would revolutionize communication, commerce, and knowledge dissemination worldwide.

Politics20th CenturyRussia & Central Asia

Hardliners Launch Coup Against Gorbachev

As Soviet leader Mikhail Gorbachev pursued perestroika and glasnost reforms amid economic decline and nationalist movements, conservative communists grew alarmed. On August 19, 1991, while Gorbachev vacationed in Crimea, a group of hardline officials including Vice President Gennady Yanayev announced they had assumed power due to his 'illness.' They deployed tanks in Moscow and placed Gorbachev under house arrest. Boris Yeltsin rallied resistance from the Russian parliament building, and public protests along with military defections caused the coup to collapse within days. The failed attempt accelerated the Soviet Union's dissolution by December.

Politics20th CenturyRussia & Central Asia

Uzbekistan Declares Independence from USSR

The failed August 1991 coup attempt in Moscow accelerated the dissolution of the Soviet Union, prompting republics to assert sovereignty. On August 31, 1991, the Supreme Soviet of the Uzbek Soviet Socialist Republic convened in Tashkent and adopted a Declaration of Independence along with the Law on the Foundations of State Independence. President Islam Karimov signed the measures, formally renaming the republic the Republic of Uzbekistan and ending its status as a Soviet constituent. The declaration followed similar moves by other republics and came amid the rapid unraveling of central Soviet authority. September 1 was designated as the new national holiday.

Politics20th CenturyRussia & Central Asia

Tajikistan Declares Independence from USSR

As the Soviet Union disintegrated in 1991, its Central Asian republics moved toward sovereignty. Tajikistan, a mountainous republic with a predominantly Tajik population, had been part of the USSR since the 1920s. On September 9, 1991, the Supreme Soviet of the Tajik SSR adopted a declaration of state independence during an extraordinary session. Acting President Qadriddin Aslonov signed the measure, marking Tajikistan's formal break from Moscow. The declaration came amid economic turmoil and ethnic tensions across the former Soviet space. Full international recognition followed later that year after the USSR's dissolution.

Politics20th CenturyRussia & Central Asia

Kazakhstan Declares Independence from USSR

As the Soviet Union unraveled following the failed August 1991 coup attempt against Mikhail Gorbachev, its constituent republics moved toward sovereignty. Kazakhstan, the largest landlocked country and a key Central Asian republic with significant Russian and ethnic Kazakh populations, had declared sovereignty earlier but delayed full independence. On December 16, 1991, the Supreme Soviet adopted the Constitutional Law on State Independence, making Kazakhstan the last Soviet republic to formally secede. Nursultan Nazarbayev became the first president, and the country joined the Commonwealth of Independent States shortly after. This completed the dissolution of the USSR.

Politics20th CenturyRussia & Central Asia

Gorbachev Resigns as Soviet President

Mikhail Gorbachev's reforms of perestroika and glasnost had unleashed political and economic changes that accelerated the Soviet Union's decline amid nationalist movements in the republics. Earlier in December 1991, eleven republics formed the Commonwealth of Independent States, effectively dissolving the union. On December 25, Gorbachev announced his resignation as president in a televised address, transferring nuclear codes to Russian leader Boris Yeltsin and acknowledging the end of the USSR as a superpower. That evening, the Soviet flag was lowered from the Kremlin and replaced by the Russian tricolor. The formal dissolution followed the next day when the Soviet of the Republics voted to end the union.

Politics20th CenturyEurope

Maastricht Treaty Signed Creating European Union Framework

After decades of economic cooperation through the European Community, member states sought deeper political and monetary integration following the Cold War's end. Negotiations addressed common foreign policy, citizenship, and a single currency. On February 7, 1992, foreign and finance ministers from twelve nations signed the Maastricht Treaty in the Netherlands. The accord established criteria for economic and monetary union and introduced the concept of European citizenship. Ratification followed amid debates in several countries. The treaty transformed the Community into the European Union, setting the stage for the euro and expanded membership.

Civil Rights20th CenturySub-Saharan Africa

South Africa Holds Apartheid Referendum

In a whites-only referendum called by President F.W. de Klerk, South African voters were asked to approve continuation of negotiations to dismantle apartheid and draft a new constitution. With an 85 percent turnout, nearly 69 percent voted yes, providing de Klerk a mandate to proceed with reforms begun in 1990. The vote came amid pressure from international sanctions and internal unrest. It marked the first time the white electorate directly endorsed ending minority rule. The result paved the way for multiracial negotiations leading to the 1994 democratic elections.

Civil Rights20th CenturyNorth America

Los Angeles Riots Erupt After King Verdict

Following the April 29 acquittal of four Los Angeles police officers on most charges in the videotaped beating of Black motorist Rodney King, anger over perceived police misconduct and racial injustice boiled over in South Central Los Angeles. Crowds gathered, businesses were looted, and arson spread as tensions that had simmered since the incident the previous year ignited widespread unrest. Over the following days, the violence claimed dozens of lives, caused roughly a billion dollars in damage, and required deployment of National Guard troops and federal forces to restore order. The events exposed deep divisions in American policing and urban race relations.

Science20th CenturyNorth America

Endeavour Launches STS-47 with Mae Jemison

NASA's Space Shuttle Endeavour lifted off on its second mission, STS-47, marking the 50th shuttle flight overall. The September 12, 1992, launch carried a diverse crew that included Mae Carol Jemison, the first African-American woman in space, Japanese astronaut Mamoru Mohri, and the first married couple to fly together, Mark Lee and Jan Davis. The Spacelab-J mission focused on microgravity research in materials science, life sciences, and technology development through international collaboration between NASA and Japan's National Space Development Agency. The flight completed 126 orbits over eight days, advancing scientific knowledge and demonstrating inclusive crew selection. Jemison's presence highlighted expanding opportunities in STEM fields.