Era
20th century
10
19th century
6
1900-1999
5
To 1863
4
1627-1691
3
18th century
3
1660-1688
2
1918-1971
2
1955-2011
2
21st century
2
490-approximately 565
2
Republic, 265-30 B.C.
2
Restoration, 1660-1688
2
To 1500
2
1724-1804
1
1749-1832
1
1759-1796
1
1770-1827
1
1771-1832
1
17th century
1
1813-1855
1
1822-1890
1
1833-1897
1
1835-1921
1
1837-1911
1
1844-1925
1
1844-1937
1
1853-1890
1
1864-1955
1
1865-1921
1
1870-1937
1
1870-1939
1
1871-1937
1
1874-1963
1
1882-1941
1
1886-1971
1
1892-1955
1
1900-2099
1
1917-1963
1
1934-
1
1936-
1
1939-2013
1
1956-2005
1
1957-
1
1961-1963
1
1968-1989
1
1971-1980
1
2000-2099
1
2001-
1
2001-2010
1
more ...