Frederick the Great attacks Saxony, beginning the Seven Years' War in Europe.
American Revolutionary War: British and American forces battle indecisively at the Battle of Rhode Island.
British troops under Sir Arthur Wellesley defeat a Danish militia outside Copenhagen in the Battle of Køge.
American Civil War: The Battle of Hatteras Inlet Batteries gives Federal forces control of Pamlico Sound.
World War I: Start of the Battle of St. Quentin in which the French Fifth Army counter-attacked the invading Germans at Saint-Quentin, Aisne.
World War II: Tallinn, the capital of Estonia, is occupied by Nazi Germany following an occupation by the Soviet Union.
Korean War: British troops arrive in Korea to bolster the US presence there.
The Beatles perform their last concert before paying fans at Candlestick Park in San Francisco.
Hurricane Katrina devastates much of the U.S. Gulf Coast from Louisiana to the Florida Panhandle, killing an estimated 1,836 people and causing over $108 billion in damage.