Era
20th century
151
21st century
89
1900-1999
70
19th century
52
2000-2099
49
1974-
43
1980-
42
1910-1946
40
1821-1861
32
1931-1939
32
1800-1899
25
2000-
24
Since 1974
21
1946-1970
18
Since 1980
18
1810-
17
1959-1990
17
1970-1973
17
1939-1975
16
1970-1988
16
Since 2000
15
1886-1931
14
1982-
13
1990-
13
Since 1900
13
18th century
12
1973-1988
12
1988-2000
12
1948-
11
1988-
11
Since 1970
11
1955-1983
10
1975-
10
Revolution, 1910-1920
10
1810-1821
9
1829-1919
9
1867-1910
9
2002-
9
1945-
8
1946-1974
8
1959-
8
1970-
8
1999-
8
1540-1810
7
1783-1830
7
1833-1868
7
1892-1975
7
1943-1955
7
1973-
7
2003-
7
more ...