Era
20th century
13
Civil War, 1936-1939
4
1940-2017
3
1735-1816
2
18th century
2
19th century
2
21st century
2
1742-1795
1
1768-1816
1
1791-1871
1
17th century
1
1823-1886
1
1828-1888
1
1833-1913
1
1837-1900
1
1842-1899
1
1864-1916
1
1869-1951
1
1878-1895
1
1882-1948
1
1885-1969
1
1887-1919
1
1892-1940
1
1893-1969
1
1895-1979
1
1903-1977
1
1912-1974
1
1914-1999
1
1926-1973
1
1928-1967
1
1933-
1
1952-1982
1
1971-
1
1973-
1
Charles III, 1759-1788
1
Civil War, 1861-1865
1
Republic, 1931-1939
1
Revolution, 1895-1898
1