Era
To 1865
11
1918-1945
9
1865-1918
6
1801-1809
4
1815-1861
4
20th century
4
1775-1783
3
1865-1900
3
19th century
3
1783-1809
2
1783-1865
2
1853-1857
2
1857-1861
2
1865-1933
2
1901-1909
2
1901-1953
2
1933-1945
2
1980-
2
19e siècle
2
2001-
2
Revolution, 1775-1783
2
To 1775
2
1737-1809
1
1757-1804
1
1783-1789
1
1783-1848
1
1789-1809
1
1809-1817
1
1857
1
1865-1921
1
1882-1945
1
1900-1999
1
1914-
1
1918-
1
1918-1932
1
1921-1923
1
1923-1929
1
1929
1
1945-1989
1
1960-1980
1
1971-1981
1
20e siècle
1
Civil War, 1861-1865
1
Colonial period, ca. 1600-1775
1