Era
21st century
82
1946-
34
20th century
33
1979-
29
2001-2009
24
1957-2011
21
2001-
19
1945-
13
1960-2012
11
1993-
9
2000-
9
2020
9
1991-
8
Reign of Terror, 1793-1794
8
Revolution, 1789-1799
7
1988-
6
1990-
6
1997-
6
2003-
6
1969-
5
Civil War, 2011-
5
1960-
4
1965-
4
1989-
4
2009-
4
1758-1794
3
1878-1953
3
1936-1953
3
1945-1989
3
1968-2001
3
1973-1993
3
1983-
3
1985-
3
1942-
2
1952-2012
2
1959-
2
1971-
2
1972-
2
1976-
2
1978-
2
1979-1992
2
1979-1997
2
1995-2005
2
19th century
2
2009-2017
2
2017-2021
2
Iraq War, 2003-2011
2
16th century
1
1743-1826
1
1759-1794
1
more ...