Era
20th century
143
1975-1982
78
21st century
77
1975-
54
1900-1999
51
1931-1939
43
19th century
42
Since 1975
30
2000-2099
22
1900 - 1999
17
1975 - 1982
15
1800-1899
11
1886-1931
11
1982-
11
1833-1868
10
2000 - 2099
10
Republic, 1931-1939
10
Since 1900
10
Civil War, 1936-1939
8
1875-1885
7
1800-1999
6
1922-1995
5
1931 - 1939
5
1938-
5
Isabella II, 1833-1868
5
1868-1931
4
1900-2099
4
1923-
4
1935-
4
1993
4
20e siècle
4
21e siècle
4
1861-1889
3
1889-1908
3
18th century
3
1910-1926
3
1939-1975
3
1953-
3
1960-
3
1975-1982-
3
Since 1982
3
1700-1799
2
1800-2099
2
1809-1837
2
1814-1868
2
1821-1861
2
1830-1904
2
1878-1965
2
1879-1943
2
1882-1947
2
more ...