Historical Period
19th century
40
20th century
36
1917-1970
8
21st century
8
1945-
7
1775-1817
6
1945-1970
6
1918-1945
5
18th century
4
1951-
4
1971-
4
1828-1910
3
Alexander I, 1801-1825
3
1533-1917
2
1802-1885
2
1804-1868
2
1812-1870
2
1819-1880
2
1831-1915
2
1885-1962
2
1912-1949
2
1917-1945
2
1929
2
1950-1959
2
1990-1999
2
2000-2009
2
Civil War, 1861-1865
2
active 9th century
2
1066-1485
1
1118?-1170
1
1133-1189
1
1185-1600
1
1533-1603
1
1600-1868
1
1632-1675
1
1661?-1731
1
1665-1714
1
1691-1756
1
1713-1784
1
17th century
1
1811-1863
1
1815-1882
1
1818-1848
1
1824-1895
1
1840-1928
1
1848-1917
1
1850-1904
1
1854-1900
1
1862-1937
1
1864-1913
1
more ...