1012 - Aelfheah was murdered by Danes who had been ravaging the south of England. Aelfhear became the 29th Archbishop of Canterbury in 1005.
1539 - Emperor Charles V reached a truce with German Protestants at Frankfurt, Germany.
1587 - English admiral Sir Francis Drake entered Cadiz harbor and sank the Spanish fleet.
1770 - Captain James Cook discovered New South Wales, Australia. Cook originally named the land Point Hicks.
1775 - The American Revolution began as fighting broke out at Lexington.
1782 - The Netherlands recognized the new United States.
1839 - The Kingdom of Belgium was recognized by all the states of Europe when the Treaty of London was signed.
1938 - General Francisco Franco declared victory in the Spanish Civil War.
1943 - The Warsaw Ghetto uprising against Nazi rule began. The Jews were able to fight off the Germans for 28 days.
1956 - Actress Grace Kelly became Princess Grace of Monaco when she married Prince Rainier III of Monaco.