Era
20th century
167
19th century
133
1800-1899
83
1900-1999
83
20e siècle
70
19e siècle
65
Colonial period, ca. 1600-1775
54
Civil War, 1861-1865
38
1951-
26
1600-1775
24
ca 1600-1775 (Période coloniale)
24
16th century
23
1860-1890
21
Spanish colony, 1540-1810
21
1979-
19
1945-
18
Since 1951
18
1775-1865
17
1865-1950
17
1861-1865
16
1980-
16
21st century
15
Revolution, 1910-1920
15
1861-1865 (Guerre de Sécession)
14
1910-1946
14
1644-1718
13
17th century
13
1809-1865
13
1959-
13
1959-1990
13
1979-1990
13
1732-1799
12
1774-1809
12
1848-
12
18th century
12
American Invasion, 1989
12
Revolution, 1775-1783
12
To 1848
12
1540-1810 (Colonie espagnole)
11
1770-1838
11
Since 1945
11
1500-1599
10
1540-1810
10
1846-1950
10
1865-
10
1890-1945
10
1979-1992
10
1986-
10
Since 1865
10
1548-1820
9
more ...