Era
Revolution, 1775-1783
23
Colonial period, ca. 1600-1775
22
1775-1865
21
Civil War, 1861-1865
20
To 1775
20
18th century
15
20th century
15
1775-1783
12
1861-1865
12
19th century
9
1865-1950
7
French and Indian War, 1754-1763
5
1644-1718
4
Revolution
4
1706-1790
3
1732-1799
3
1732-1808
3
1754-1763 (Guerre de Sept Ans)
3
1809-1865
3
1865-
3
1900-1999
3
To 1865
3
-1888
2
-1893
2
1727-1803
2
1748-1825
2
1767-1845
2
1770-1838
2
1775-1783 (Révolution)
2
1776?-1855
2
1777-1852
2
1780-1841
2
1782-1866
2
1783-1789
2
1783-1809
2
1784-1850
2
1786-1853
2
1786-1857
2
1786-1866
2
1788-1848
2
1792-1864
2
1793-1871
2
1794-1877
2
1795-1849
2
1796-1869
2
1797-1874
2
1798-1879
2
1799-1889
2
1800-1859
2
1800-1870
2
more ...