Era
1932-1986
5
1917-1936
3
1939-1945
3
1991-
3
1564-1616
2
1840-1893
2
1860-1904
2
1881-1894
2
1910-1967
2
1925-1953
2
1985-1991
2
19th century
2
Alexander III, 1881-1894
2
December Uprising, 1825
2
Revolution, 1917-1921
2
1769-1821
1
1799-1837
1
1800-1825
1
1801-1917
1
1823-1886
1
1825
1
1828-1910
1
1887-1953
1
1890-1937
1
1896-1958
1
1903-
1
1917 - 1991
1
1917-1991
1
1917-1991, Soviet Union
1
1936-1953
1
1946-
1
1953-1985
1
1961-1975
1
1971-1991
1
1972-1993
1
20th century
1
Alexander I, 1801-1825
1
German occupation, 1941-1944
1
Nicholas II, 1894-1917
1
Since 1991
1
War of Independence, 1918-1920
1