The Modern World and Australia By erinparry Period: Aug 3, 1914 to Nov 3, 1918 World War One Period: Jan 1, 1920 to Oct 29, 1929 The Roaring Twenties Oct 29, 1929 Wall Street Crash Period: Oct 30, 1929 to Sep 1, 1939 The Great Depression Period: Sep 3, 1939 to May 3, 1945 World War Two Period: Jan 3, 1945 to Nov 3, 1989 The Cold War Period: Jul 3, 1948 to Jul 3, 1960 Malayan Emergency Period: Jun 3, 1950 to Jul 3, 1953 Korean War Period: Jul 3, 1962 to Dec 3, 1972 Vietnam War Oct 14, 1962 Cuban Missile Crisis Period: Jan 3, 1990 to Feb 3, 1991 Gulf War Period: Sep 3, 2001 to May 3, 2011 War On Terror Arghanistan Period: Mar 3, 2003 to May 3, 2011 War on Terror Iraq