Era
20th century
260
19th century
150
1900-1999
87
1564-1616
71
1800-1899
44
1875-1961
41
21st century
41
1856-1939
39
18th century
36
1882-1941
28
1889-1945
26
Civil War, 1861-1865
19
17th century
18
1939-1945
18
2000-2099
17
1842-1910
16
1933-1945
16
Early modern, 1500-1700
16
1809-1865
15
1901-1981
12
16th century
11
1770-1850
11
1772-1834
11
1835-1910
11
1946-
11
1975-
10
1757-1827
9
1812-1870
9
1816-1855
9
1819-1880
9
1843-1916
9
1885-1930
9
1608-1674
8
1819-1891
8
1844-1900
8
1904-1990
8
1913-1994
8
-1400
7
1700-1799
7
1896-1934
7
1945-
7
1775-1817
6
1879-1955
6
1889-1951
6
1800-1999
5
1853-1890
5
1857-1924
5
1878-1953
5
1888-1953
5
1902-1987
5
more ...