Era
20th century
150
21st century
88
1900-1999
70
19th century
51
2000-2099
49
1980-
42
1974-
41
1910-1946
38
1821-1861
32
1931-1939
32
1800-1899
25
2000-
23
Since 1974
20
Since 1980
18
1810-
17
1946-1970
17
1959-1990
17
1970-1973
17
1939-1975
16
1970-1988
16
1886-1931
14
Since 2000
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
1810-1821
9
1829-1919
9
1867-1910
9
Revolution, 1910-1920
9
1945-
8
1959-
8
1970-
8
2002-
8
1540-1810
7
1783-1830
7
1833-1868
7
1892-1975
7
1943-1955
7
1946-1974
7
1973-
7
1999-
7
2003-
7
more ...