Era
20th century
806
19th century
461
20e siècle
314
1900-1999
291
21st century
278
1946-
247
2001-2009
210
Civil War, 1861-1865
158
1945-1989
151
1800-1899
148
19e siècle
132
18th century
129
1989-
129
1783-1865
106
2000-2099
100
1809-1865
99
1861-1865
74
21e siècle
72
1815-1861
71
1775-1783
70
1993-2001
59
2008
56
2009-2017
54
1775-1865
52
2017-2021
52
1933-1945
50
1743-1826
49
1975-
46
2001-
46
Revolution, 1775-1783
44
Since 1900
41
1981-1989
40
2009-
40
18e siècle
39
1861-1865 (Guerre de Sécession)
38
To 1865
34
1783-1809
31
1953-1961
30
1989-1993
29
1951-
28
1980-2020
28
1882-1945
26
1800-1999
25
1890-1969
25
1900-2099
25
1945-
25
2016
24
To 1775
24
1845-1861
23
Since 1975
23
more ...