Era
To 1848
57
20th century
29
19th century
17
1510-1554
15
1848-
15
16th century
12
1900-1999
12
1500-1599
6
Civil War, 1861-1865
6
Spanish colony, 1540-1810
6
1800-1899
4
Colonial period, ca. 1600-1775
4
To 1500
4
1549?-1624
3
1600-1750
3
1750-1815
3
1877-1972
3
1951-
3
Since 1848
3
Spanish colony, 1565-1763
3
To 1810
3
1600-1775
2
1693-1740
2
1821-1861
2
1829-1909
2
1850-1908
2
1854-1936
2
1861-1865
2
1888-1964
2
1893-1955
2
18th century
2
1904-1983
2
1945-1989
2
Conquest, 1519-1540
2
Since 1800
2
To 1565
2
To 1800
2
To 1846
2
active 16th century
2
1644-1711
1
1738-1781
1
1793-1852 or 3
1
17th century
1
1800 - 1899
1
1804?-1850?
1
1806-1865
1
1808-1890
1
1815-1875
1
1817-1887
1
1817?-1863
1
more ...