1930-2015 presidents,units,decades By Runemthrough Mar 4, 1933 Herbert Hoover leaves office Mar 4, 1933 Franklin D. Roosevelt enters office Sep 1, 1939 World War II starts Period: Sep 1, 1939 to May 27, 2015 1930-2015 v1 Dec 7, 1941 Pearl Harbor Apr 12, 1945 Franklin D. Roosevelt dies due to illness Apr 12, 1945 Harry S. Truman inherits office from Franklin D. Roosevelt Sep 2, 1945 World War II ends Oct 24, 1945 United Nations established Apr 4, 1949 NATO established Jan 20, 1953 Harry S. Truman leaves office Jan 20, 1953 Dwight D. Eisenhower enters office Jan 20, 1961 Dwight D. Eisenhower leaves office Jan 20, 1961 John F. Kennedy enters office Aug 13, 1961 Berlin wall constructed Aug 24, 1962 Cuban missile crisis Nov 22, 1963 John F. Kennedy is assassinated Nov 22, 1963 Lyndon B. Johnson inherits office from John F. Kennedy May 3, 1965 US troops arrive in Southern Vietnam Jan 20, 1969 Lyndon B. Johnson leaves office Jan 20, 1969 Richard Nixon enters office Aug 9, 1974 RIchard Nixon resigns the presidency Aug 9, 1974 Gerald Ford inherits office from Richard Nixon Apr 30, 1975 Vietnam war ends Jan 20, 1977 Gerald Ford leaves office Jan 20, 1977 Jimmy Carter enters office Jan 20, 1981 Jimmy Carter leaves office Jan 20, 1981 Ronald Raegan enters office Jan 20, 1989 Ronald Raegan leaves office Jan 20, 1989 George H. W. Bush enters office Nov 11, 1989 Berlin wall opens Aug 2, 1990 Gulf war begins Oct 3, 1990 East and west Germany reunited Jan 20, 1993 George H. W. Bush leaves office Jan 20, 1993 Bill Clinton enters office Jan 20, 2001 Bill Clinton leaves office Jan 20, 2001 George W. Bush enters office Oct 20, 2001 Afghanistan war begins Jan 20, 2009 George W. Bush leaves office Jan 20, 2009 Barack Obama enters office Sep 9, 2011 9-11, world trade center towers collapse