Era
1917-1921
8
20th century
8
1814-1861
7
1917-1945
6
1900-1999
5
1917-
5
1855-1920
4
1910-
3
1800-1899
2
1803-1865
2
1854-1934
2
1860-1884
2
1860-1947
2
1866-1916
2
1868-1939
2
1885-1944
2
1888-1936
2
1911-
2
1914-1918
2
1918-
2
1918-1921
2
1932-1933
2
1939-1945
2
1945-
2
19th century
2
20e siècle
2
Famine, 1932-1933
2
Revolution, 1917-1921
2
Since 1917
2
Since 1918
2
Since 1945
2
Wars of 1918-1921
2
-1955
1
1793-1852
1
1838-1922
1
1856-1916
1
1863-1928
1
1879-1926
1
1910-1995
1
1912-
1
1914-
1
1917-1921 (Révolution)
1
1918-1921 (Guerres)
1
1932-1933 (Famine)
1
1936-1953
1
19e siècle
1