The first impeachment of Donald Trump formally moves into its trial phase in the United States Senate.
The United States Senate ratifies the United States–Mexico–Canada Agreement as a replacement for NAFTA.
Myanmar police open fire on a group of ethnic Rakhine protesters, killing seven and wounding twelve.
Turkish Airlines Flight 6491 crashes into a residential area near Manas International Airport in Kyrgyzstan, killing 39 people.
Thirty-three out of 126 freed hostages are injured and 23 killed in terrorist attacks in Ouagadougou, Burkina Faso on a hotel and a nearby restaurant.
The Mali War begins when Tuareg militias start fighting the Malian government for independence.
Syrian civil war: The Movement for a Democratic Society (TEV-DEM) is established with the stated goal of re-organizing Syria along the lines of democratic confederalism.
Ellen Johnson Sirleaf is sworn in as Liberia's new president. She becomes Africa's first female elected head of state.
The Space Shuttle Columbia takes off for mission STS-107 which would be its final one. Columbia disintegrated 16 days later on re-entry.
War in Afghanistan: The UN Security Council unanimously establishes an arms embargo and the freezing of assets of Osama bin Laden, al-Qaeda, and the remaining members of the Taliban.
Second Congo War: Congolese President Laurent-Désiré Kabila is assassinated by one of his own bodyguards in Kinshasa.
US President Bill Clinton awards former President Theodore Roosevelt a posthumous Medal of Honor for his service in the Spanish–American War.
An avalanche hits the Icelandic village Súðavík, destroying 25 homes and burying 26 people, 14 of whom died.
El Salvador officials and rebel leaders sign the Chapultepec Peace Accords in Mexico City, Mexico ending the 12-year Salvadoran Civil War that claimed at least 75,000 lives.
Coalition Forces go to war with Iraq, beginning the Gulf War.
Turkish Airlines Flight 158 crashes at Ankara Esenboğa Airport in Ankara, Turkey, killing 47 and injuring 20.
Iranian Revolution: The last Iranian Shah flees Iran with his family for good and relocates to Egypt.
Czech student Jan Palach commits suicide by self-immolation in Prague, Czechoslovakia, in protest against the Soviets' crushing of the Prague Spring the year before.
Space Race: Soviet spacecraft Soyuz 4 and Soyuz 5 perform the first-ever docking of crewed spacecraft in orbit, the first-ever transfer of crew from one space vehicle to another, and the only time such a transfer was accomplished with a space walk.
Austral Líneas Aéreas Flight 205 crashes into the Atlantic Ocean near Astor Piazzolla International Airport in Mar del Plata, Argentina, killing 51.