1900-2000 By jwilliams115 Nov 16, 1905 Oklahoma becomes a State 1912 Arizona and New Mexico become states Apr 15, 1912 Titanic Sinks Aug 26, 1920 19th Amendment - Women can Vote Dec 7, 1938 Attack on Pearl Harbor 1939 World War II begins Aug 9, 1945 Atomic bomb dropped on Nagasaki - ending WWII 1950 Korean War Begins 1960 Alaska and Hawaii become states Nov 22, 1963 Assassination of John F Kennedy Apr 4, 1968 Assassination of Martin Luther King Jr Jul 20, 1969 Moon Landing 1973 Roe V Wade Jan 28, 1986 Challenger Explodes Apr 19, 1995 Oklahoma Bombing