events in the 20th century By francis101 Apr 10, 1912 Sinking of Titanic Jun 28, 1919 Versailles treaty Jan 1, 1929 discovery of peniccilin Sep 30, 1929 First broadcast of TV in Australia Apr 4, 1949 Nata Pact Sep 1, 1951 Anzus treaty May 14, 1955 Warsaw pact Nov 3, 1957 first animal in space Apr 12, 1961 first man in spae Nov 22, 1963 John F kennedy assassinated Apr 4, 1968 martin luther king jr assasinated Jul 20, 1969 first man on the moon Apr 3, 1973 First mobile phone Apr 4, 1975 Start of Microsoft Corporation Jul 25, 1978 first test tube baby Nov 18, 1978 jonestown massacre Jan 28, 1986 space shuttle challenger disaster Apr 26, 1986 chernobyl disaster Apr 20, 1999 columbine massacre Oct 23, 2001 First ipod