Era
Revolution
19
Revolution, 1775-1783
15
1900
6
19th century
5
Colonial period, ca. 1600-1775
5
1732-1799
4
1850
4
Civil War, 1861-1865
4
1644-1718
3
1880
3
1951-
3
1754-1833
2
1775-1783
2
1777-1865
2
1782-1863
2
1825-1829
2
1840
2
1857-1939
2
1870
2
1946-
2
-1747
1
1627-1692
1
1665-1729
1
1706-1790
1
1730-1802
1
1731-1811
1
1732-1794
1
1732-1795
1
1735-1785
1
1736
1
1745-1796
1
1750-1812
1
1757-1834
1
1768-1810
1
1768-1847
1
1775-1865
1
1787-1858
1
1790
1
1790-1794
1
1795-
1
1796-1859
1
1799-
1
1800
1
1800-1834
1
1800-1899
1
1806-1878
1
1810
1
1820
1
1822-1872
1
1825-1878
1
more ...