Foreign policy timeline By coolcHris Dec 2, 1823 Monroe Doctrine Period: Dec 2, 1823 to Oct 1, 2014 Foreign Policy Timeline Oct 2, 1904 Roosevelt Corollary Jul 28, 1914 World War I May 7, 1915 The Sinking of the Lusitania Jan 1, 1935 Good Neighbor Policy Jan 1, 1939 World War II Dec 7, 1941 Pearl Harbor Aug 6, 1945 Bombing of Hiroshima Jan 1, 1947 Truman Doctrine Apr 1, 1948 Marshall Plan Jun 25, 1950 Korean War Nov 1, 1954 Vietnam War Jan 5, 1957 Eisenhower Doctrine Oct 2, 1962 Cuban Missile Crisis Aug 2, 1995 Operation Desert Storm Sep 11, 2001 9/11 Sep 25, 2001 War On Terror Nov 2, 2001 Afghanistan (Operation Enduring Freedom) Sep 1, 2010 Operation Iraqi Freedom Sep 8, 2014 Air Strikes on ISIS