Era
20th century
11
18th century
8
1961-1970
8
1900-1999
7
1971-1980
7
21st century
7
1564-1616
6
1810-1856
6
1759-1796
5
1811-1872
5
1819-1892
5
1830-1886
5
1921-1930
5
1931-1940
5
1591-1674
4
1786-1862
4
1792-1822
4
17th century
4
1865-1939
4
1911-1920
4
1914-1992
4
2001-2010
4
1600-1699
3
1749-1832
3
1770-1850
3
1788-1824
3
1788-1857
3
1788-1866
3
1844-1896
3
1859-1936
3
1900-1971
3
1902-1967
3
1991-2000
3
19th century
3
2011-2020
3
Civil War, 1861-1865
3
1557-1603?
2
1563?-1626
2
1700 - 1799
2
1700-1748
2
1700-1799
2
1757-1827
2
1771-1832
2
1779-1852
2
1799-1837
2
1800-1899
2
1803-1882
2
1805-1852
2
1807-1882
2
1821-1867
2
more ...