Era
1918-
26
Since 1918
26
1918-1945
21
20th century
21
1900-1999
19
1939-1945
15
1918-1938
14
1938-1945
12
Uprising, 1944
11
1945-
10
Since 1945
8
1944 (Insurrection)
7
1945-1992
7
1878-1944
6
1887-1947
6
20e siècle
6
1914-1918
5
1800-1899
4
1850-1937
4
1864-1938
4
1872-1916
4
1901-1953
4
1914-
4
1917-1921
4
1939
4
19th century
4
Annexation, 1939
4
Revolution, 1917-1921
4
1884-1948
3
1917-1945
3
-approximately 1010
2
1509-1564
2
1663-1740
2
1818-1883
2
1831-1909
2
1854-1926
2
1854-1938
2
1856-1900
2
1860-1928
2
1867-1933
2
1877-
2
1877-1965
2
1879-1939
2
1879-1951
2
1880-1919
2
1881-1963
2
1881-1974
2
1887-
2
1888-1937
2
1889-1973
2
more ...