Era
1917-1921
44
1917-1945
36
Revolution, 1917-1921
31
1814-1861
30
20th century
27
Since 1917
27
1939-1945
26
1917-
25
1900-1999
23
1856-1916
13
1917-1921 (Révolution)
13
20e siècle
10
German occupation, 1941-1944
9
1639-1709
8
approximately 1594-1657
8
1914-1918
7
1936-1953
7
1648-1654
6
1891-1938
6
1800-1899
5
1887-1958
5
1932-1933
5
19th century
5
Famine, 1932-1933
5
1818-1883
4
1892-1984
4
1895-1992
4
1941-1944
4
1941-1944 (Occupation allemande)
4
1945-1991
4
approximately 956-1015
4
1600-1699
3
1648-1775
3
17th century
3
1871-1913
3
1873-1945
3
1932-1933 (Famine)
3
19e siècle
3
approximately 890-969
3
-1635
2
-approximately 1164
2
1500-1599
2
1515-1582
2
1580?-1623
2
1600-1654
2
1644-1709
2
1697-1772
2
1700-1745
2
1716-1809
2
1767-1808
2
more ...