Era
20th century
82
21st century
28
19th century
21
Civil War, 1936-1939
16
1939-1975
8
18th century
7
1547-1616
5
1974-
5
711-1516
5
Classical period, 1500-1700
5
Revolution, 1910-1920
5
1975-1982
4
1770-1831
3
1770-1843
3
17th century
3
1818-1883
3
1844-1900
3
1927-
3
1937-
3
Republic, 1931-1939
3
Wars of Independence, 1810-1821
3
-1541
2
16th century
2
1713-1784
2
1724-1804
2
1809-1882
2
1821-1881
2
1827-1915
2
1856-1939
2
1864-1936
2
1867-1923
2
1873-1967
2
1875-1939
2
1878-1923
2
1886-1931
2
1903-1930
2
1910-1946
2
1931-1939
2
1936-
2
1945-1989
2
1959-1990
2
1980-
2
1982-
2
1989-
2
Gothic period, 414-711
2
Napoleonic Conquest, 1808-1813
2
Revolution, 1789-1799
2
Revolution, 1934
2
To 1810
2
-1303
1
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