American Revolutionary War: The Burning of Falmouth (now Portland, Maine).
The United States takes possession of Puerto Rico from Spain.
World War II: Soviet Union begins the liberation of Czechoslovakia from Nazi Germany.
World War II: The state funeral of Field Marshal Erwin Rommel takes place in Ulm, Germany.
The USSR's nuclear program receives plans for the United States plutonium bomb from Klaus Fuchs at the Los Alamos National Laboratory.
A group of the Venezuelan Armed Forces, led by Mario Vargas, Marcos Pérez Jiménez and Carlos Delgado Chalbaud, stages a coup d'état against president Isaías Medina Angarita, who is overthrown by the end of the day.
Argentine military officer and politician Juan Perón marries actress Eva Duarte.
The Soviet probe Venera 4 reaches Venus and becomes the first spacecraft to measure the atmosphere of another planet.
The Supreme Council of Azerbaijan adopts a declaration of independence from the Soviet Union.