Era
20th century
446
1900-1999
327
20e siècle
271
19th century
118
21st century
89
19e siècle
80
1800-1899
76
2000-2099
65
20e siècle
55
21e siècle
29
18th century
24
21e siècle
22
1945-
20
1881-1973
18
1886-1957
17
1882-1941
15
1982-
15
1939-1945
14
Civil War, 1861-1865
14
To 1500
13
1967-
12
19e siècle
12
1677?-1707
11
1861-1865 (Guerre de Sécession)
10
1700-1799
9
1861-1865
9
16th century
8
1800-1999
8
1896-1940
8
1926-1992
8
1948-
8
1959-
8
1806-1861
7
1812-1889
7
1840-1928
7
1866-1944
7
1877-1962
7
1951-
7
1958-
7
Since 1945
7
1564-1616
6
1795-1881
6
17th century
6
1801-1866
6
1891-1976
6
18e siècle
6
1900-1948
6
1919-1987
6
1935-
6
1944-
6
more ...