Era
19th century
51
20th century
31
1800-1899
24
1900-1999
17
1775-1865
8
18th century
7
1809-1865
6
1945-1989
6
1861-1865
5
1775-1899
3
1849-1877
3
Civil War, 1861-1865
3
To 1775
3
-1775
2
1724-1792
2
1745-1781
2
1775?-1842
2
1800-1901
2
1816-1902
2
1843-1901
2
1852-1918
2
1863-1877
2
1865-1945
2
1882-1945
2
1889-1945
2
1895-1950
2
1897-1901
2
1908-1973
2
1911-1984
2
1933-1945
2
To 1863
2
approximately 1835-
2
1700 - 1899
1
1700-1799
1
1771-1834
1
1783-1865
1
17th century
1
1803-1865
1
1806?-
1
1811-1896
1
1813-1896
1
1821-1865
1
1830-1838
1
1844-
1
1846?-1878
1
1865-1921
1
1865-1950
1
1877-1881
1
1887-1940
1
1889-1969
1
more ...