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