Era
1871
27
Civil War, 1861-1865
23
Revolution, 1775-1783
19
Colonial period, ca. 1600-1775
12
19th century
8
1683-1852
4
1850
4
1775-1783
3
18th century
3
War of 1812
3
1700-1899
2
1749-1832
2
1761-1849
2
1775-1865
2
1783-1815
2
1820-1888
2
1827-1902
2
1836-1918
2
20th century
2
Census, 2nd, 1800
2
Early modern, 1500-1700
2
-1611
1
1600-1775
1
1683?-1757
1
1737-1832
1
1750-1806
1
1751-1836
1
1753-1820
1
1760-1833
1
1768-1854
1
1775-1783 (Révolution)
1
1781-1855
1
1783-1789
1
1783-1865
1
1789-1862
1
1797-1874
1
1800-1874
1
1802-1896
1
1803-1878
1
1806-1894
1
1809-1849
1
1814-1881
1
1815-1861
1
1815-1903
1
1818-1894
1
1820-1910
1
1821-1895
1
1821-1905
1
1824-1893
1
1826-1901
1
more ...