TODAY IN HISTORY
1821: Spain ceded Florida to the United States.
1918: Russia's Czar Nicholas II and his family were executed by the Bolsheviks.
1936: The Spanish Civil War began as right-wing army generals launched a coup attempt against the Second Spanish Republic.
1955: Disneyland opened in Anaheim, Calif.
1981: 114 people were killed when a pair of suspended walkways above the lobby of the Kansas City Hyatt Regency Hotel collapsed during a tea dance.