Era
20th century
51
1900-1999
35
1917-1921
32
1814-1861
27
1939-1945
25
Revolution, 1917-1921
23
1917-
15
1917-1945
13
1914-1918
10
20e siècle
10
Since 1917
9
1856-1916
6
1918-
6
1639-1709
5
1800-1899
5
1871-1913
5
1892-1984
5
1917-1921 (Révolution)
5
1936-1953
5
19th century
5
Wars of 1918-1921
5
1855-1920
4
1866-1916
4
1932-1933
4
Famine, 1932-1933
4
German occupation, 1941-1944
4
17th century
3
1879-1926
3
1882-1931
3
1910-
3
1918-1921
3
1918-1945
3
Since 1918
3
approximately 1594-1657
3
approximately 956-1015
3
1340-1648
2
1340-1699
2
1564-1616
2
1648-1654
2
1697-1772
2
1716-1809
2
1787-1835
2
1799-1837
2
17e siècle
2
1803-1865
2
1811-1843
2
1818-1883
2
1830-1916
2
1832-1915
2
1832-1916
2
more ...