Era
20th century
85
1846-1850
46
19th century
31
To 1846
27
1850-1950
22
Civil War, 1861-1865
10
21st century
8
1848-1869
7
Quaternary
7
1802-1858
6
1900-1999
6
To 1848
6
1861-1865
5
1951-
5
1800-1899
4
1816-1899
4
1823-1889
4
1848-1950
4
d. 1853
4
To 1859
3
1713-1784
2
1813-1890
2
1822-1903
2
1824-1893
2
1825-1878
2
1850
2
1901-1994
2
1927-1993
2
1946-
2
1947-
2
1954-
2
1971-1981
2
2000-2099
2
21e siècle
2
Eocene
2
Pleistocene
2
approximately 1788-1844
2
b. 1820
2
-1853
1
1676-1721
1
16e s
1
16th century
1
1757-1798
1
1764-1807
1
1777-1852
1
1783-1865
1
1784-1850
1
1790-1874
1
1792-1835
1
1795-1866
1
more ...