Era
20th century
845
19th century
547
Civil War, 1861-1865
333
1775-1865
256
20e siècle
219
1900-1999
181
1865-
155
1951-
145
1865-1950
114
1897-1962
97
1865-1877
87
Colonial period, ca. 1600-1775
81
19e siècle
67
Revolution, 1775-1783
61
1865-1951
60
Since 1865
59
1800-1899
56
18th century
51
1918-
45
1863-1877
37
1909-2001
37
21st century
37
1865-1945
34
1945-
33
1877-1964
29
1861-1865
27
1861-1865 (Guerre de Sécession)
26
1905-1989
26
To 1775
25
1911-1983
24
1815-1861
17
To 1863
17
To 1964
17
1916-1990
16
1857-1861
15
1925-1964
15
Since 1951
15
1807-1870, USMA 1829
14
1873-1945
14
1917-1967
14
1945-1989
14
1783-1865
13
1890-1980
13
Since 1918
13
To 1865
13
17th century
12
1933-1945
12
ca 1600-1775 (Période coloniale)
12
1789-1869
11
1835-1910
11
more ...