Era
1917-1921
66
20th century
48
Revolution, 1917-1921
48
1814-1861
45
1917-1945
45
Since 1917
42
1900-1999
40
1917-
40
1939-1945
35
1917-1921 (Révolution)
18
1856-1916
17
1639-1709
14
20e siècle
12
1914-1918
10
German occupation, 1941-1944
9
1648-1654
8
approximately 1594-1657
8
1936-1953
7
19th century
7
1871-1913
6
1891-1938
6
Wars of 1918-1921
6
approximately 956-1015
6
17th century
5
1800-1899
5
1882-1931
5
1885-1974
5
1887-1958
5
1932-1933
5
Famine, 1932-1933
5
1644-1709
4
1716-1809
4
1818-1883
4
1855-1920
4
1865-1944
4
1866-1916
4
1873-1945
4
1879-1926
4
1892-1984
4
1895-1992
4
1917-1936
4
1941-1944
4
1941-1944 (Occupation allemande)
4
1945-
4
1945-1991
4
1946-
4
Since 1945
4
To 1648
4
1600-1699
3
1648-1775
3
more ...