Era
19th century
50
20th century
44
1818-1883
43
Civil War, 1861-1865
43
1820-1895
39
18th century
21
1835-1910
12
1863-1952
11
17th century
7
1743-1826
6
1752-1840
5
354-430
5
1007?-1072
4
1700-1799
4
1809-1865
4
1890-1969
4
1952
4
1953-1961
4
1268-1559
3
1706-1790
3
1775-1783
3
1783-1809
3
1861-1865
3
1884-1963
3
1888-1965
3
18e siècle
3
1933-1945
3
approximately 370-444
3
1098-1179
2
1626-1696
2
1646-1716
2
16th century
2
1700-1766
2
1713-1762
2
1729-1797
2
1735-1826
2
1754-1816
2
1789-1869
2
1793-1863
2
1798-1859
2
1804-1881
2
1805-1859
2
1819-1892
2
1820-1910
2
1821-1880
2
1830-1894
2
1837-1901
2
1838-1908
2
1871-1945
2
1878-1953
2
more ...