Era
19th century
27
20th century
19
1930-1932
12
1800-1899
11
18th century
11
1900-1999
8
1899-1936
7
1902-1974
6
21st century
6
17th century
5
1850-1894
5
1700-1799
4
1916-1978
4
1974-
4
1976-1994
4
1897-1954
3
1921-
3
1932
3
1960-
3
1980-
3
2000-2099
3
d. 1661
3
d. 1690
3
-2005
2
-2013
2
1808-1863?
2
1880-1960
2
1895-1972
2
1914-
2
1921-1970
2
1922-1995
2
1931-
2
1945-1976
2
1953-
2
1954-
2
1960-2013
2
1965-
2
1972-1979
2
1981-
2
1986-
2
1987-
2
1994-
2
Charles II, 1660-1685
2
Civil War, 1861-1865
2
Revolution, 1775-1783
2
Since 1960
2
Since 1974
2
To 1863
2
approximately 1835-
2
b. 1676 or 7
2
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