Era
Civil War, 1861-1865
71
1861-1865
27
1861-1865 (Guerre de Sécession)
20
1964-1975
12
20th century
10
1970
7
1990
6
1993-
6
1980-2020
5
19th century
5
1945-
4
1975-
4
1980-
4
20e siècle
4
1964-
3
21st century
3
Revolution, 1775-1783
3
Since 1964
3
To 1863
3
To 1865
3
1775-1783 (Révolution)
2
1783-1865
2
1800-1899
2
1861-1865 (Guerre de S�ecession)
2
1900-1999
2
1980
2
2000
2
2001-2009
2
21e siècle
2
To 1783
2
1775-1783
1
1810
1
1849-1877
1
1861-1865 (Guerre de S�ecession)
1
1865-1918
1
1865-1921
1
1867-1950
1
1868-1963
1
1900 - 1999
1
1900-2000
1
1940
1
1946-
1
1960
1
1960-
1
1965-
1
1970-
1
1970-2000
1
1971-
1
1981-1989
1
1981-2001
1
more ...