Era
20th century
420
1970
133
1945-1989
99
1900-1999
92
19th century
79
1910-1920
74
1914-1918
68
21st century
65
1990
63
1917
52
1993
38
2010
38
1980
35
1900 - 1999
34
1987
34
1989
33
1918
32
1985
32
1995
28
1984
27
1988
27
1992
27
1994
27
1939-1945
25
1991
24
1940-1950
20
1943
20
Civil War, 1861-1865
20
Revolution, 1917-1921
20
1985-1991
19
20e siècle
19
1895
18
1986
18
2006
18
2016
18
1809-1865
17
1856-1950
17
1943-
17
1944-
17
1983
16
2000
15
1888-1965
14
1913-1921
14
1945-
14
2000-2099
14
2008
14
2017
14
18th century
13
1950
13
1998
13
more ...