Era
Revolution, 1775-1783
128
Colonial period, ca. 1600-1775
53
Civil War, 1861-1865
33
1775-1783
21
War of 1812
21
18th century
20
Revolution
20
1783-1865
12
19th century
12
20th century
10
To 1775
10
French and Indian War, 1755-1763
9
1732-1799
8
Confederation, 1783-1789
8
1775-1865
7
1783-1789
7
1809-1817
7
1861-1865
7
Constitutional period, 1789-1809
7
1783-1815
6
1789-1809
6
1815-1861
6
1865-1898
6
1775-1783 (Révolution)
5
War with Mexico, 1845-1848
5
1863-1877
4
To 1865
4
1751-1836
3
1755-1763 (Guerre de Sept Ans)
3
1789-1797
3
17th century
3
1809-1865
3
1815-1891
3
1845-1849
3
1849-1877
3
1865-1869
3
1877-1964
3
French and Indian War, 1754-1763
3
To 1863
3
1700-1799
2
1706-1790
2
1712-1759
2
1730?-1790
2
1735-1826
2
1737-1804
2
1750-1835
2
1753-1815
2
1754-1763 (Guerre de Sept Ans)
2
1757-1847
2
1759-1817
2
more ...