Era
20th century
48
Civil War, 1861-1865
15
1951-
8
1900-1999
7
1775-1865
6
21st century
6
19th century
5
Revolution, 1775-1783
5
1961-1975
4
1861 - 1865
3
1900 - 1999
3
2000-2099
3
1775-1783
2
1781
2
1815-1875
2
1861-1865
2
1953-
2
1965-
2
-1999
1
1564-1616
1
1775 - 1865
1
1775-1783 (Révolution)
1
1775-1950
1
1776
1
1793-1864
1
1800-1899
1
1815 - 1875
1
1852-1927
1
1859-1919
1
1859-1935
1
1863-1923
1
1865-1927
1
1865-1950
1
1866-1895
1
1867-1940
1
1873-1958
1
1874-1952
1
1876-1979
1
1878-1965
1
1879-1960
1
1889-1985
1
1894-1951
1
1898-1979
1
1900-2099
1
1902-1990
1
1929-2012
1
1931-2007
1
1942-2019
1
1945-
1
1945-1989
1
more ...