Era
20th century
156
21st century
93
1900-1999
71
19th century
54
2000-2099
50
1974-
49
1980-
47
1910-1946
40
1821-1861
32
1931-1939
32
2000-
27
1800-1899
26
Since 1974
22
1946-1970
18
1970-1973
18
1970-1988
18
Since 1980
18
1810-
17
1939-1975
17
1959-1990
17
1988-2000
16
1982-
15
Since 2000
15
1886-1931
14
Since 1900
14
1990-
13
18th century
12
1973-1988
12
1975-
12
1948-
11
1988-
11
Since 1970
11
1955-1983
10
2002-
10
Revolution, 1910-1920
10
1810-1821
9
1829-1919
9
1867-1910
9
1946-1974
9
1970-
9
1999-
9
1945-
8
1959-
8
1540-1810
7
1783-1830
7
1833-1868
7
1892-1975
7
1943-1955
7
1973-
7
1975-1982
7
more ...