Era
19th century
80
18651898
62
20th century
39
1898-1951
10
1951-
10
1865-1940
8
1910-1991
8
1900-1999
5
1900 - 1999
4
Civil War, 1861-1865
4
1890-1964
3
1900-1910
3
To 1898
3
1732-1786
2
1823-1878
2
1826-1898
2
1858-1924
2
1884-1923
2
1913
2
1913-1994
2
1974
2
1980-2020
2
1990-1999
2
2001
2
2001-2009
2
Revolution, 1775-1783
2
Since 1980
2
-1913
1
-approximately 323 B.C
1
1600 - 1775
1
1759-1796
1
1770
1
17751865
1
1800 - 1899
1
1808-1889
1
1809-1894
1
1810-1880
1
1820-1840
1
1825-1911
1
1828-1835
1
1828-1906
1
1837
1
1840-1902
1
1851-1913
1
1855-1925
1
1855-1929
1
1859-1941
1
1860
1
1860-1870
1
1861-1865
1
more ...