Era
20th century
231
19th century
183
1900-1999
66
1800-1899
35
1899-1961
20
Revolution, 1910-1920
20
1910-1946
19
1874-1946
14
18th century
13
Civil War, 1936-1939
13
1885-1972
11
1835-1910
10
1843-1916
10
1800-1999
9
1910-1999
9
21st century
8
1888-1965
6
1700-1799
5
1850-1904
5
1862-1937
5
1900 - 1999
5
1918-1945
5
1939-1945
5
Civil War, 1861-1865
5
1706-1790
4
1819-1891
4
1879-1964
4
1886-1931
4
1914-1997
4
1941-
4
1945-
4
1945-1955
4
1980-
4
2000-2099
4
Alfonso XIII, 1886-1931
4
German occupation, 1940-1945
4
Revolution, 1789-1799
4
1700-1899
3
1804-1864
3
1824-1860
3
1824-1894
3
1882-1941
3
1892-1973
3
1896-1940
3
1902-1943
3
1908-1960
3
1922-1969
3
1924-1987
3
1961-
3
1968-
3
more ...