Era
Since 1900
20th century
29
1901-
27
Revolution, 1917-1920
5
20e siècle
4
21st century
3
1917-1920 (Révolution)
2
1991-
2
1874-1921
1
1875-1951
1
1876-1973
1
1878-1943
1
1881-1956
1
1894-1938
1
1896-1960
1
1897-1937
1
1900-
1
1900-1999
1
1903-1969
1
1909-
1
1917-1921
1
20e siècle
1
Geschichte 1900-2000
1
Revolution, 1918-1923
1