Era
1931-1939
33
20th century
32
1939-1975
31
Civil War, 1936-1939
26
1975-
15
19th century
9
1886-1931
8
1892-1975
8
18th century
5
1548-1820
4
1598-1621
4
17th century
4
1540-1810
3
1578-1621
3
1621-1665
3
1727-1760
3
1918-1945
3
1918-1975
3
1603-1625
2
1833-1868
2
1886-1939
2
1922-1945
2
1933-1945
2
1933-1974
2
1936-1945
2
1939-1945
2
1975-1982
2
711-1516
2
Colonial period, ca. 1600-1775
2
Conquest, 1522-1548
2
Spanish colony, 1540-1810
2
To 1479
2
To 1810
2
1066-1485
1
1420-1798
1
1516-1556
1
1516-1700
1
1527-1598
1
1552-1625
1
1556-1598
1
1556-1648
1
1559-1636
1
1587-1645
1
1605-1665
1
1648-1795
1
16th century
1
1714-1727
1
1715-1774
1
1717-1779
1
1732-1811
1
more ...