Era
20th century
982
1900-1999
453
20e siècle
430
19th century
317
21st century
141
19e siècle
127
1800-1899
109
18th century
84
Civil War, 1861-1865
67
2000-2099
44
1564-1616
43
17th century
41
18e siècle
38
16th century
35
1933-1945
34
1809-1865
31
21e siècle
30
1700-1799
29
1945-
29
1939-1945
27
1861-1865
26
Revolution, 1775-1783
25
1945-1989
24
17e siècle
22
1946-
22
Early modern, 1500-1700
21
1861-1865 (Guerre de Sécession)
18
1989-
18
To 1500
17
1706-1790
16
1800-1999
16
16e siècle
15
1951-
14
1783-1865
13
1828-1910
13
1929-1968
13
1700-1899
12
1749-1832
12
1856-1939
12
1900-2099
12
1917-1963
12
1949-
12
1478-1535
11
1858-1919
11
1875-1955
11
1920-2005
11
1500-1700
10
1775-1783 (Révolution)
10
1809-1882
10
1900 - 1999
10
more ...