Pope Pius V issues the bull Regnans in Excelsis which excommunicates Queen Elizabeth of England.
Robert Devereux, the second Earl of Essex and former favorite of Elizabeth I, is beheaded in the Tower of London for high treason.
Dutch settlers slaughter lower Hudson Valley Indians in New Netherland, North America, who sought refuge from Mohawk attackers.
Thomas Jefferson is nominated for president at the Democratic-Republican caucus.
Napoleon leaves his exile on the island of Elba, returning to France.
Samuel Colt patents the first revolving cylinder multi-shot firearm.
Oregon introduces the first state tax on gasoline at one cent per gallon, to be used for road construction.
U.S. troops retake the Kasserine Pass in Tunisia, where they had been defeated five days before.
French colonial forces evacuate Hoa Binh in Indochina.
Stalin is secretly disavowed by Khrushchev at a party congress for promoting the "cult of the individual."