Era
To 1803
93
19th century
71
Civil War, 1861-1865
62
18th century
29
20th century
29
1800-1899
23
1803-1865
20
1861-1865
15
1850-1904
10
1900-1999
10
To 1821
8
1643-1687
6
1865-1950
6
1700-1799
5
1951-
5
To 1763 (New France)
5
1749-1800
4
1800-1999
4
1808-1863?
4
1842-1909
4
Colonial period, ca. 1600-1775
4
To 1846
4
1700-1899
3
1716-1795
3
17th century
3
1800-1950
3
1801-1815
3
1815-1861
3
1820-1876
3
To 1863
3
To 1899
3
-1760
2
1736-1800
2
1745-1829
2
1756-1835
2
1775-1865
2
1797-1801
2
1852-1932
2
1929
2
Revolution, 1775-1783
2
Siege, 1862
2
Siege, 1863
2
To 1789
2
War of 1812
2
approximately 1835-
2
-1779
1
-1912
1
1600-1699
1
1640?-1735
1
1676-1744
1
more ...