Era
1775-1865
128
20th century
74
1951-
69
19th century
63
1865-1950
50
Colonial period, ca. 1600-1775
49
1865-
45
Civil War, 1861-1865
42
1865-1951
38
1918-
16
1945-
16
20e siècle
16
To 1775
15
1865-1877
14
Since 1865
14
1865-1945
13
1739-1823
7
1794-1865
7
19e siècle
7
ca 1600-1775 (Période coloniale)
7
1863-1877
6
Since 1900
6
To 1848
6
18th century
5
1900-1999
5
1933-1945
5
1970-
5
21st century
5
Revolution, 1775-1783
5
Since 1945
5
1600-1775
4
1800-1899
4
1877-1934
4
1884-1954
4
1718-1779
3
1783-1850
3
1798-1885
3
1822-1903
3
1861-1865 (Guerre de Sécession)
3
1869-1940
3
1874-1932
3
1882-1945
3
1897-1988
3
Filibuster War, 1855-1860
3
Jusqu'à 1775
3
To 1863
3
To 1895
3
1600-1865
2
16th century
2
1708-1788
2
more ...