Era
Revolution, 1775-1783
43
Revolution
29
Civil War, 1861-1865
26
Colonial period, ca. 1600-1775
9
1775-1783
8
1861-1865
6
Civil War
6
War of 1812
5
19th century
4
1741-1801
3
1751-1780
3
1756-1836
3
1812-1815
3
French and Indian War, 1755-1763
3
To 1863
3
1600-1775
2
1706-1790
2
1732-1799
2
1755-1776
2
1757-1804
2
1775-1783 (Révolution)
2
1800-1859
2
1815-1861
2
1861-1865 (Guerre de Sécession)
2
18th century
2
20th century
2
Constitutional period, 1789-1809
2
approximately 1840-
2
ca 1600-1775 (Période coloniale)
2
1500-
1
1600-1783
1
1700-1799
1
1710-1785
1
1722-1803
1
1728-1786
1
1740-1785
1
1753-1777
1
1775 - 1783
1
1775-1815
1
1777
1
1778
1
1783-1789
1
1783-1815
1
1789-1809
1
1790-1867
1
1800-1899
1
1807-1870
1
1809-1865
1
1819-1892
1
1822-1854
1
more ...