Era
20th century
44
1900-1999
29
1939-1945
20
1814-1861
10
1914-1918
9
1917-1921
9
20e siècle
9
1917-
8
Since 1917
8
1800-1899
5
1871-1913
5
Wars of 1918-1921
5
1855-1920
4
1866-1916
4
1892-1984
4
19th century
4
Revolution, 1917-1921
4
17th century
3
1918-1921
3
1340-1648
2
1340-1699
2
1564-1616
2
1716-1809
2
17e siècle
2
1811-1843
2
1832-1915
2
1832-1916
2
1865-1944
2
1868-1939
2
1888-1936
2
1891-
2
1893-1933
2
1895-
2
1899-1945
2
1900-1976
2
1903-1990
2
1908-
2
1918-2011
2
1932-1933
2
1936-1953
2
1945-
2
19e siècle
2
Famine, 1932-1933
2
German occupation, 1941-1944
2
Since 1945
2
To 1700
2
-1955
1
1600-1699
1
1639-1709
1
1644-1709
1
more ...