Historical Period
1828-1910
3
19th century
3
Alexander I, 1801-1825
3
1533-1917
2
1911-1983
2
1929
2
-1617
1
1580-1631
1
1725-1798
1
1754-1801
1
1757-1806
1
1818-1848
1
1840-1902
1
1843-1916
1
1861-1941
1
1862-1937
1
1873-1920
1
1874-1946
1
1884-1952
1
1892-1977
1
1897-1962
1
1899-1973
1
1900-1949
1
1910-1921
1
1926-2005
1
1945-1975
1
1958-
1
21st century
1
Civil War, 1861-1865
1
Colonial period, ca. 1600-1775
1
Paul I, 1796-1801
1
Revolution, 1917-1921
1