Directory

1990 CE

A year defined by German reunification, Iraq's invasion of Kuwait, Nelson Mandela's release from prison, and the beginning of the World Wide Web.

Geopolitics & Diplomacy

  • Germany was officially reunified on October 3 when the German Democratic Republic was absorbed into the Federal Republic of Germany, ending over four decades of division.
  • Nelson Mandela was released from Victor Verster Prison in South Africa on February 11 after 27 years of imprisonment, marking a turning point in the struggle against apartheid.
  • The Two Plus Four Agreement was signed in September by the two Germanys and the four World War II Allied powers, formally ending Allied occupation rights and paving the way for German sovereignty.
  • Lech Walesa, the leader of Poland's Solidarity movement, won the country's first direct presidential election in December, consolidating the democratic transition begun in 1989.
  • Namibia achieved independence from South Africa in March, with Sam Nujoma inaugurated as the country's first president after decades of occupation and armed resistance.
  • Margaret Thatcher resigned as Prime Minister of the United Kingdom in November after losing the confidence of her party, ending eleven years in power. John Major succeeded her.
  • Lithuania declared independence from the Soviet Union in March, the first Soviet republic to do so, prompting a Soviet economic blockade.
  • Yemen was unified in May when the Yemen Arab Republic and the People's Democratic Republic of Yemen merged to form the Republic of Yemen under President Ali Abdullah Saleh.
  • Violeta Chamorro won Nicaragua's presidential election in February, defeating Sandinista leader Daniel Ortega and ending a decade of revolutionary government.
  • The Charter of Paris for a New Europe was signed in November by 34 nations, declaring the end of the Cold War era and committing to democracy, human rights, and the rule of law.

Conflict & Security

  • Iraq invaded Kuwait on August 2, prompting the United Nations Security Council to authorize the use of force if Iraq did not withdraw by January 15, 1991.
  • The United States deployed hundreds of thousands of troops to Saudi Arabia in Operation Desert Shield following Iraq's invasion of Kuwait, building a coalition of over 30 nations.
  • The First Intifada in the Israeli-occupied Palestinian territories continued, with ongoing clashes between Palestinian demonstrators and Israeli security forces.
  • Liberia's civil war intensified as Charles Taylor's National Patriotic Front advanced on the capital Monrovia. President Samuel Doe was captured and killed by a rival faction in September.
  • The Sri Lankan civil war continued, with the Liberation Tigers of Tamil Eelam controlling territory in the north and east and conducting military operations against government forces.
  • Romania experienced violent unrest in June when miners from the Jiu Valley marched on Bucharest at the government's invitation to suppress anti-government protests.
  • India experienced rising sectarian tensions as the Ram Janmabhoomi movement, demanding a Hindu temple at the site of the Babri Masjid in Ayodhya, gained momentum.
  • The Rwandan Patriotic Front invaded Rwanda from Uganda in October, beginning a civil war between the Tutsi-led rebel group and the Hutu-dominated government.
  • Kashmir's insurgency against Indian rule intensified, with armed separatist groups launching attacks and Indian security forces responding with large-scale operations.
  • Chad's President Hissene Habre was overthrown in December by Idriss Deby, ending a regime marked by mass atrocities and political repression.

Economy & Finance

  • The U.S. economy entered a recession in July, ending the longest peacetime expansion in American history at that point and contributing to political discontent.
  • The savings and loan crisis in the United States continued, with the Resolution Trust Corporation managing the closure and disposition of hundreds of failed thrift institutions at a cost of hundreds of billions of dollars.
  • Germany's economic reunification began with the introduction of the Deutsche Mark as the currency of East Germany in July, though the economic integration proved far more challenging than anticipated.
  • Oil prices spiked dramatically following Iraq's invasion of Kuwait in August, with crude prices nearly doubling before stabilizing in the fall.
  • Japan's stock market bubble burst, with the Nikkei 225 index declining nearly 40% from its December 1989 peak, beginning a prolonged period of economic stagnation.
  • The Soviet economy deteriorated sharply, with severe shortages of consumer goods, declining industrial output, and growing pressure for economic reform.
  • The European Community moved toward deeper economic integration, with discussions advancing on a single currency and the removal of remaining internal trade barriers.
  • Inflation in Argentina reached hyperinflationary levels before the government implemented a stabilization plan, though sustained economic reform would not take hold until 1991.
  • China's economy continued to grow despite the political fallout from the 1989 Tiananmen Square crackdown, though Western sanctions and reduced foreign investment temporarily slowed progress.
  • Poland implemented the Balcerowicz Plan in January, a radical program of economic shock therapy that rapidly converted the country's centrally planned economy to a market-based system.

Technology & Infrastructure

  • Tim Berners-Lee proposed and developed the World Wide Web at CERN in Switzerland, writing the first web browser and web server and creating the foundation for the modern internet.
  • The Hubble Space Telescope was launched into orbit by the Space Shuttle Discovery in April, though a flaw in its primary mirror severely limited its imaging capabilities.
  • The first GPS satellite constellation became partially operational, with the Global Positioning System beginning to demonstrate its potential for civilian navigation applications.
  • Microsoft released Windows 3.0 in May, a major commercial success that brought graphical user interface computing to millions of IBM-compatible personal computer users.
  • The first internet search engine, Archie, was created at McGill University in Montreal, indexing FTP archives and enabling early keyword-based searching of internet resources.
  • The Voyager 1 spacecraft, after completing its planetary mission, took the famous Pale Blue Dot photograph of Earth from approximately 6 billion kilometers away in February.
  • The development of digital cellular phone standards advanced, with the European GSM standard nearing commercial deployment.
  • Adobe Photoshop was released in February, beginning the transformation of digital image editing from a specialized professional tool to a widely accessible technology.
  • Nintendo's Game Boy, released in Japan in 1989, expanded globally and became the dominant handheld gaming platform, selling millions of units worldwide.

Science & Discovery

  • The Hubble Space Telescope was deployed in April but was quickly discovered to have a flawed primary mirror that produced blurred images, prompting NASA to plan a corrective servicing mission.
  • The Human Genome Project formally began its coordinated effort to sequence the 3 billion base pairs of human DNA, involving laboratories across the United States and international partners.
  • The COBE satellite's initial data confirmed that the cosmic microwave background radiation was nearly uniform, consistent with the Big Bang theory, with detailed fluctuation measurements published in 1992.
  • Scientists at CERN began using Tim Berners-Lee's World Wide Web system to share physics data, demonstrating the potential for networked information sharing.
  • The Magellan spacecraft entered orbit around Venus in August and began mapping the planet's surface using synthetic aperture radar, revealing extensive volcanic features.
  • Research on high-temperature superconductors continued, with scientists searching for materials that could conduct electricity without resistance at increasingly practical temperatures.
  • The Long Duration Exposure Facility was retrieved from orbit by the Space Shuttle after nearly six years in space, providing data on the effects of the space environment on materials.
  • Atmospheric scientists continued to document ozone depletion, strengthening the scientific basis for international action under the Montreal Protocol.

Health & Medicine

  • The WHO estimated that approximately 8 to 10 million people were living with HIV/AIDS globally, with the epidemic spreading rapidly in sub-Saharan Africa and Southeast Asia.
  • Ryan White, an American teenager who became a national symbol of the HIV/AIDS crisis after contracting the virus through a blood transfusion, died in April at age 18.
  • The first successful gene therapy procedure was performed in September at the National Institutes of Health, treating a child with a rare immune deficiency.
  • Global vaccination campaigns continued to expand, with the WHO reporting that approximately 80% of the world's children were receiving basic immunizations.
  • Tuberculosis remained a significant global health threat, with the disease killing approximately 3 million people annually and drug-resistant strains emerging as a growing concern.
  • Research on Alzheimer's disease progressed, with scientists identifying genetic risk factors and beginning to understand the role of amyloid plaques in the disease process.
  • The WHO removed homosexuality from its International Classification of Diseases in May, an important milestone in the depathologization of sexual orientation.
  • Tobacco use remained the leading preventable cause of death worldwide, with approximately 3 million deaths attributed to smoking-related diseases annually.
  • Malaria continued to kill an estimated 1 to 2 million people each year, predominantly children under five in sub-Saharan Africa.
  • The development of new antiretroviral drugs for HIV continued, though effective combination therapy remained years away.

Climate & Environment

  • The Intergovernmental Panel on Climate Change released its First Assessment Report in August, concluding that human activities were substantially increasing atmospheric greenhouse gas concentrations.
  • The Clean Air Act Amendments were signed into law in the United States in November, establishing new regulations on acid rain, urban air pollution, and toxic air emissions.
  • A magnitude 7.3 earthquake struck the Gilan and Zanjan provinces of Iran in June, killing an estimated 40,000 to 50,000 people and leaving hundreds of thousands homeless.
  • Global atmospheric CO2 concentrations reached approximately 354 parts per million, continuing an upward trend documented at the Mauna Loa Observatory since 1958.
  • Deforestation in the Amazon and other tropical regions continued at high rates, with an estimated 17 million hectares of tropical forest lost annually during the late 1980s and early 1990s.
  • The United Nations General Assembly passed a resolution calling for an international conference on environment and development, leading to the 1992 Earth Summit in Rio de Janeiro.
  • Severe flooding affected parts of eastern Australia during the spring, causing significant agricultural damage and displacement.
  • Oil spills continued to threaten marine environments, with several major incidents highlighting the risks of petroleum transport and offshore drilling.
  • The ivory trade ban under the Convention on International Trade in Endangered Species took effect, providing critical protection for African elephant populations.
  • Scientists continued to document the decline of amphibian populations worldwide, identifying habitat loss, pollution, and emerging fungal diseases as contributing factors.

Culture & Society

  • Nelson Mandela's release from prison in February was celebrated globally and became one of the most iconic moments of the 20th century, broadcast live to hundreds of millions.
  • The reunification of Germany prompted celebrations at the Brandenburg Gate on October 3 and a period of national reflection on the country's divided history.
  • The Simpsons debuted as a half-hour prime-time series on Fox in January, beginning a run that would make it the longest-running American animated program in television history.
  • The FIFA World Cup was held in Italy in June and July, with West Germany winning the tournament in its last appearance before German reunification.
  • Octavio Paz of Mexico won the Nobel Prize in Literature, recognized for his poetry and essays exploring Mexican identity and modern civilization.
  • Driving Miss Daisy won the Academy Award for Best Picture at the ceremony held in March.
  • Dances with Wolves, directed by and starring Kevin Costner, was released in November.
  • The global population reached approximately 5.3 billion, with growth rates beginning to slow in some developing regions due to family planning programs.
  • MC Hammer's 'Please Hammer, Don't Hurt 'Em' became one of the best-selling hip hop albums of all time, reflecting the genre's growing mainstream popularity.
  • The Hubble telescope's mirror flaw and the Voyager 1 Pale Blue Dot image both sparked public discussions about humanity's place in the cosmos and the challenges of scientific exploration.