Year

1990

11 sourced events from this year.

Events

1990 Timeline

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Military20th CenturyLatin America & Caribbean

Manuel Noriega Surrenders to U.S. Forces

Panamanian military leader Manuel Noriega had seized de facto power after the 1981 death of Omar Torrijas and maintained a corrupt regime accused of drug trafficking and election rigging. After the U.S. invasion Operation Just Cause began on December 20, 1989, Noriega sought refuge in the Vatican embassy in Panama City. U.S. psychological operations, including loud rock music, pressured him during a ten-day standoff. On January 3, 1990, Noriega surrendered to American troops, ending the immediate conflict. He was flown to Miami, arraigned on drug charges, and later convicted and sentenced to 40 years in prison.

Civil Rights20th CenturySub-Saharan Africa

De Klerk Unbans ANC, Paving Way for Mandela Release

South Africa had endured decades of apartheid rule enforcing racial segregation and suppressing opposition groups like the African National Congress. President F.W. de Klerk, who assumed office in 1989 amid growing international pressure and domestic unrest, recognized the need for reform. On February 2, 1990, in a landmark address to Parliament, de Klerk announced the unbanning of the ANC and other organizations, the release of political prisoners including Nelson Mandela, and the lifting of restrictions on anti-apartheid activities. The speech signaled the beginning of negotiations to dismantle the apartheid system. Mandela walked free nine days later after 27 years in prison.

Civil Rights20th CenturySub-Saharan Africa

Nelson Mandela Released After 27 Years

Nelson Mandela had been imprisoned since 1962 for his leadership in the African National Congress's campaign against apartheid in South Africa. International pressure, domestic unrest, and secret negotiations with the government of F.W. de Klerk created conditions for his release. On February 11, 1990, Mandela walked free from Victor Verster Prison near Paarl to cheering crowds and global media attention. De Klerk had announced the unbanning of the ANC and Mandela's impending freedom days earlier. Mandela delivered a speech reaffirming commitment to negotiations and non-racial democracy. His release marked the beginning of the end for apartheid and opened talks that led to South Africa's first multiracial elections in 1994.

Politics20th CenturyEurope

Lithuania Declares Independence from USSR

Under Soviet rule since 1940, Lithuania experienced growing nationalist sentiment in the late 1980s amid Gorbachev's perestroika reforms and the weakening of central control. The Lithuanian parliament, elected in multi-party elections, convened to address sovereignty. On March 11, 1990, it passed the Act of the Re-Establishment of the State of Lithuania by a vote of 124-0 with six abstentions. The declaration asserted that the 1940 annexation had been illegal and restored the independent republic. Moscow responded with economic sanctions and later military pressure, but the move inspired similar declarations across the Baltic states and other republics.

Culture20th CenturyNorth America

Largest Art Heist Strikes Boston Museum

The Isabella Stewart Gardner Museum in Boston housed a renowned collection of European art assembled by its founder in the late 19th century. In the early hours of March 18, 1990, two men disguised as police officers gained entry by claiming to investigate a disturbance. They overpowered the guards, disabled security systems, and spent over an hour removing 13 works including paintings by Rembrandt, Vermeer, and Degas. The thieves escaped without triggering alarms, leaving the museum's video surveillance tapes behind. The case remains unsolved with no recoveries despite extensive investigations.

Politics20th CenturySub-Saharan Africa

Namibia Achieves Independence from South Africa

After more than a century of colonial rule, first by Germany and then by South Africa under a League of Nations mandate, Namibia transitioned to sovereign status. The South West Africa People’s Organisation (SWAPO) had waged a long armed struggle and diplomatic campaign, supported by the United Nations. On March 21, 1990, the country officially became independent following UN-supervised elections in 1989. Sam Nujoma was sworn in as the first president in a ceremony attended by international dignitaries including Nelson Mandela. The new constitution established a multiparty democracy with strong human rights protections.

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.

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.