1898
1991
2008
1939-1945
1957
1914-1918
1969
2001
1968
1929
End of the Cold War
World War II
The Great Depression begins
terrorist attacks on World Trade Center and Pentagon
The Spanish-American War
U.S. lands men on the moon
election of Barack Obama, first black U.S. president
Martin Luther King, Jr. is assassinated
World War I
launch of Sputnik signals beginning of space race with U.S.S.R.
