Era
19th century
8
Civil War, 1861-1865
7
1908-1981
3
20th century
3
Revolution, 1775-1783
3
To 1775
3
1730-1807
2
1746-1813
2
1775-1783
2
1810-1891
2
1923-1998
2
1578-1657
1
1600-1775, Colonial period
1
1644-1718
1
1689-1747
1
1694-1768
1
1694-1770
1
1699-1777
1
1701-1800
1
1706-1790
1
1707-1778
1
1709-1784
1
1722-1771
1
1722-1774
1
1729-1796
1
1740-1795
1
1741-1817
1
1742-1786
1
1743-1826
1
1745-1824
1
1748-1830
1
1750-1831
1
1750?-1834
1
1754-1812
1
1754-1816
1
1756-1831
1
1756-1843
1
1760-1838
1
1762-1812
1
1766-1813
1
1770-1855
1
1771-1840
1
1772-1834
1
1774-1846
1
1775 1783
1
1775-1783 (Révolution)
1
1775-1783, Revolution
1
1780-1875
1
1783-1815
1
1783-1865
1
more ...