Era
20th century
29
19th century
10
Civil War, 1861-1865
6
18th century
5
711-1516
3
1475-1564
2
1651-1695
2
1770-1827
2
17th century
2
1860-1904
2
1874-1965
2
1886-1948
2
1886-1973
2
1890-1970
2
1892-1975
2
1906-1989
2
1917-1963
2
1929
2
1941-
2
1941-1979
2
1944-
2
1945-1989
2
To 332 B.C.
2
1452-1519
1
1516-1700
1
1541?-1614
1
1564-1616
1
15th century
1
16th century
1
1726-1797
1
1752-1835
1
1753-1784
1
1756-1791
1
1772-1834
1
1792-1822
1
1797-1828
1
1809-1865
1
1809-1892
1
1810-1849
1
1818-1883
1
1822-1913
1
1829-1909
1
1831-1890
1
1833-1897
1
1835-1910
1
1836-1886
1
1839-1876
1
1843-1920
1
1844-1916
1
1849-1936
1
more ...