Era
19th century
80
20th century
69
18th century
41
Revolution, 1775-1783
31
Colonial period, ca. 1600-1775
28
Civil War, 1861-1865
23
1706-1790
14
1900-1999
11
1750-1831
10
1800-1899
9
1644-1718
8
1790?-1848
7
19e siècle
7
1732-1799
6
1748-1842
6
17th century
6
1865-
6
20e siècle
6
1775-1783
5
1861-1865
5
18e siècle
5
1929
5
To 1775
5
-1848
4
1734-1807
4
1839-1871
4
1865-1950
4
1920-
4
1941-
4
1946-
4
21st century
4
1566-1607
3
1651-1719
3
1745?-1842
3
1766-1842
3
1775-1865
3
1783-1815
3
1829-1894
3
1887-1967
3
1938-
3
1981-
3
Civil War
3
Riots, 1844
3
1627-1692
2
1674-1751
2
1682-1755
2
1700-1799
2
1700-1899
2
1730-1793
2
1735-1789
2
more ...