Era
To 1865
21
19th century
14
20th century
13
To 1775
10
Jusqu'à 1865
7
1783-1865
6
18th century
6
1945-
5
1960-1980
5
1980-
5
1775-1865
4
1865-1918
4
1865-1933
4
1900-1999
4
1945-1953
4
1945-1989
4
Since 1945
4
1849-1861
3
1865-1921
3
1865-1950
3
1918-1945
3
1933-1945
3
20e siècle
3
Civil War, 1861-1865
3
Colonial period, ca. 1600-1775
3
Jusqu'à 1775
3
1775-1783
2
1815-1861
2
1829-1837
2
1865-
2
1865-1900
2
1914-
2
1918-2013
2
1933-
2
1953-1985
2
1960-
2
1963-1969
2
1975-
2
1979-
2
1979-1992
2
1994-
2
2001-
2
70-
2
Revolution, 1775-1783
2
Since 1914
2
Since 1979
2
Since 1994
2
Since 70
2
1591-1643
1
1737-1809
1
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