Era
20th century
7
1945-1989
4
1588-1679
3
1712-1778
2
1021-1086
1
1566-1625
1
1689-1755
1
1737-1809
1
1743-1826
1
1783-1865
1
1789-1809
1
1789-1815
1
1806-1873
1
1830-1837
1
1837-1901
1
1838-1900
1
1853-1921
1
1865-1869
1
1865-1900
1
1882-1945
1
1906-1962
1
1912-1949
1
1918-1933
1
1933-1945
1
1945-
1
1952-1998
1
1960
1
1961-1963
1
1963-1969
1
1965-1975
1
19th and 20th century
1
Constitutional period, 1789-1809
1