Era
20th century
321
1933-1945
134
1900-1999
131
21st century
89
1945-1953
83
1945-1989
71
19th century
55
1882-1945
51
2000-2099
46
1969-1974
45
1989-
45
1945-
41
1936-1945
40
1939-1945
40
1953-1961
40
1874-1965
38
1913-1921
37
1918-1945
30
Since 1945
30
1946-
24
1963-1969
23
18th century
22
1961-1963
22
1878-1953
21
1913-1994
20
1856-1924
19
1922-
19
Since 1900
19
1912-1945
18
1974-1977
16
1981-1989
16
Since 1989
15
1889-1945
14
1900 - 1999
14
1910-1936
14
1917-1945
14
1945-1955
14
1993-
14
1914-1918
13
1945-1991
13
1989-1993
13
1991-
13
1800-1899
12
1884-1972
12
1861-1865
11
1871-1918
11
1913-2006
11
1924-
11
1961-1975
11
1993-2001
11
more ...