Era
Civil War, 1861-1865
16
19th century
12
To 1500
11
Colonial period, ca. 1600-1775
9
18th century
8
Pleistocene
5
To 1848
5
16th century
4
1913-2002
4
Spanish colony, 1565-1763
4
1510-1554
3
1875-1962
3
20th century
3
To 1810
3
Vor- und Frühgeschichte
3
-1611
2
1491-1557
2
1600-1775
2
1700-1799
2
1743-1826
2
1781
2
1800-1899
2
1853-1947
2
1858-1929
2
1881-1955
2
1889-1956
2
1913-
2
1981
2
French and Indian War, 1754-1763
2
Holocene
2
ca 1600-1775 (Période coloniale)
2
(1840-1914)
1
(1875-1962)
1
-approximately 1395
1
-approximately 1405
1
1345-approximately 1400
1
1500-1599
1
1615
1
16e siècle
1
1708-1757
1
1720-1776
1
1732-1799
1
1775-1865
1
1781 (Siège)
1
1783-1865
1
1839-1876, USMA June 1861
1
1840-1914
1
1846-1933
1
1849-1877
1
1849-1947
1
more ...