Era
19th century
8
1865-1950
7
1775-1783
3
1775-1865
3
1865-
3
1865-1933
3
1722-1803
2
1741 or 1742-1821
2
1783-1865
2
1800-1899
2
1815-1861
2
1821-1900
2
18th century
2
1918-1945
2
1944-
2
1951-
2
20th century
2
Civil War, 1861-1865
2
Revolution, 1775-1783
2
To 1775
2
To 1898
2
1706-1790
1
1725-1806
1
1731-1791
1
1739-1796
1
1754-1835
1
1755-1824
1
1762-1830
1
1763-1835
1
1783-1809
1
1783-1848
1
1789-1797
1
1789-1865
1
1789-1869
1
1789-1900
1
1791-1868
1
1792-1868
1
1797-1882
1
1800-1878
1
1804-1874
1
1809-1865
1
1809-1896
1
1820-1892
1
1823-1878
1
1824-1901
1
1825-1868
1
1841-1867
1
1855-1937
1
1860-1925
1
1861-1865
1
more ...