138 - The Emperor Hadrian adopts Antoninus Pius, effectively making him his successor.
1570 - Pope Pius V excommunicates Queen Elizabeth I of England.
1793 - George Washington holds the first Cabinet meeting as President of the United States.
1797 - Colonel William Tate and his force of 1000-1500 soldiers surrender after the Last Invasion of Britain.
1836 - Samuel Colt receives an American patent for the Colt revolver.
1870 - Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in the U.S. Congress.
1901 - J.P. Morgan incorporates the United States Steel Corporation.
1912 - Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
1919 - Oregon places a 1 cent per U.S. gallon tax on gasoline, becoming the first U.S. state to levy a gasoline tax.
1921 - Tbilisi, capital of the Democratic Republic of Georgia, is occupied by Bolshevist Russia.
1925 - Glacier Bay National Monument (now Glacier Bay National Park and Preserve) is established in Alaska.
1925 - Diplomatic relations between Japan and the Soviet Union are established.
1928 - Charles Jenkins Laboratories of Washington, D.C. becomes the first holder of a television license from the Federal Radio Commission.
1932 - Adolf Hitler obtains German citizenship by naturalization, which allows him to run in the 1932 election for Reichspräsident.
1933 - The USS;Ranger;(CV-4) is launched. It is the first US Navy ship to be built solely as an aircraft carrier.
1941 - February Strike: In occupied Amsterdam, a general strike is declared in response to increasing anti-Jewish measures instituted by the Nazis.
1945 - World War II: Turkey declares war on Germany.
1947 - State of Prussia ceases to exist.
1948 - The Communist Party of Czechoslovakia takes control of government in Czechoslovakia and the period of the Third Republic ends.
1951 - The first Pan American Games are held in Buenos Aires, Argentina.
1954 - Gamal Abdul Nasser is made premier of Egypt.
1956 - In his speech On the Personality Cult and its Consequences Soviet leader Nikita Khrushchev denounces the cult of personality of Joseph Stalin.
1971 - The first unit of the Pickering Nuclear Generating Station, first