- 1238 Battle of the Sit River: Mongol forces of Batu Khan overcome Russians under Yuri II of Vladimir-Suzdal near Yaroslavl in Russia, ending Russian resistance
- 1801 Thomas Jefferson is the first US President to be inaugurated in Washington, D.C.
- 1861 Abraham Lincoln is inaugurated as the 16th US President
- 1902 American Automobile Association (AAA) founded in Chicago
- 1918 First recorded case of Spanish flu at Funston Army Camp, Kanas; start of worldwide pandemic killing 50-100 million
- 1933 Franklin D. Roosevelt inaugurated as 32nd US President, pledges to pull US out of the Depression, “We have nothing to fear but fear itself”
- 1936 1st flight of the airship Hindenburg at Friedrichshafen, Germany
- 2009 International Criminal Court issues an arrest warrant for Sudanese President Omar Hassan al-Bashir for war crimes and crimes against humanity in Darfur becoming the first sitting head of state to be indicted