1821 Spain ceded Florida to the United States.
1898 Spain surrendered to the United States at Santiago, Cuba, ending the Spanish-American War.
1917 The British royal family changed its name from the House of Saxe-Coburg-Gotha to Windsor amid anti-German senitment during World War I.
1938 “Wrong Way Corrigan” took off from New York, purportedly aiming for California and landing in Ireland.
1945 President Harry Truman, Soviet leader Joseph Stalin and British Prime Minister Winston Churchill meet at the opening of the Potsdam Conference.
1955 Disneyland opened in Anaheim, Calif.
1975 The American Apollo and Soviet Soyuz spacecraft linked up for the first time.
1998 The last Russian Czar Nicholas II was buried 80 years after he and his family were executed by the Bolsheviks.