Era
21st century
20
2001-
16
2003-
15
20th century
10
Civil War, 2011-
9
1991-
6
1993-2001
5
1960-
3
1988-
3
1989-
3
1993-
3
2000-
3
1945-1989
2
1946-1973
2
1979-1990
2
1990-
2
1997-
2
Soviet occupation, 1979-1989
2
1924-
1
1933-2010
1
1937-1979
1
1945-1975
1
1960-1991
1
1965-
1
1969-
1
1973-1986
1
1974-
1
1977-1981
1
1979-
1
1980
1
1980-
1
1981-1989
1
1991-2003
1
2001-2009
1
Appropriations and expenditures, 2002-2003
1
Civil War, 1944-1949
1
Civil War, 1979-1992
1
Civil War, 2015-
1
Cyprus Crisis, 1974-
1
Vietnam War, 1961-1975
1