Era
1945-1989
4
1917-1945
2
1945-1953
2
1945-1955
2
1689-1801
1
1783-1809
1
1783-1865
1
1789-1799, Revolution
1
1801-1917
1
1809-1865
1
1855-1881
1
1861-1865
1
1861-1917
1
1863-1938
1
1865-1921
1
1881-1894
1
1889-1945
1
1893-1946
1
1894-1917
1
18th century
1
1912-1983
1
1913-1921
1
1918-1945
1
1933-1945
1
1945-1964
1
1946-
1
1953-1975
1
1955-1965
1
1961-1963
1
1969-1974
1
2016
1
2017-2021
1
20th century
1
Catherine II, 1762-1796
1
Constitutional period, 1789-1809
1
February Revolution, 1917
1
Paul I, 1796-1801
1
Revolution, 1789-1799
1
Revolution, 1917-1921
1
Siglo XIX
1