Era
20th century
202
1900-1999
108
Civil War, 2011-
70
21st century
48
1939-1945
38
Civil War, 1936-1939
26
2000-2099
24
Civil War, 1861-1865
23
19th century
22
Revolution, 1775-1783
15
1965-
13
Revolution, 1789-1799
13
Civil War, 1994
12
18th century
11
Civil War, 1983-2005
11
1800-1899
10
1979-
10
2011
10
1775-1783
9
1933-1945
9
1861-1865
7
1959-
7
1975-
7
1991-1995
7
Partition, 1947
6
1945-
5
1948-1949
5
1988-
5
1997-
5
1906-1975
4
1914-1918
4
1917-1948
4
1936-1939
4
1945-1955
4
1975-1979
4
1989-
4
1991-
4
1993-
4
2003-2011
4
Civil War, 1970-1975
4
1733-1803
3
17th century
3
1900-2099
3
1935-
3
1945-1990
3
1947
3
1953-
3
1960-
3
1961-
3
1980-
3
more ...