Era
19th century
78
18651898
67
20th century
16
1898-1951
10
1951-
10
1865-1940
8
1910-1991
8
Civil War, 18611865
4
1868
3
Civil War, 1861-1865
3
To 1898
3
1732-1786
2
17751865
2
1808-1889
2
1823-1878
2
1826-1898
2
1858-1924
2
1864-1903
2
1870-1945
2
1884-1923
2
1890-1900
2
-1814
1
-1913
1
-approximately 323 B.C
1
1600 - 1775
1
1732-1799
1
1738-1820
1
1759-1796
1
1770
1
1774-1783
1
1775-1783
1
1800 - 1899
1
1809-1865
1
1810-1880
1
1825-1911
1
1837
1
1840-1902
1
1851-1913
1
1855-1925
1
1855-1929
1
1861-1931
1
1864
1
1865
1
18701940
1
1872
1
1899-1976
1
1900 - 1999
1
1900-1999
1
1906-1971
1
1908-
1
more ...