Era
20th century
19th century
70
21st century
29
1933-1945
22
1945-
20
1917-1948
10
1918-1945
9
1918-1933
8
Civil War, 1936-1939
8
1960-
7
1874-1965
6
1945-1990
6
German occupation, 1941-1944
6
1945-1989
5
1949-1976
4
1976-2002
4
1979-1997
4
1990-
4
Cultural Revolution, 1966-1976
4
1799-1917
3
1836-1909
3
1871-1918
3
1881-1938
3
1883-1945
3
1889-1945
3
1909-1918
3
1912-1949
3
1918-1960
3
1936-1945
3
1945-1980
3
1949-
3
20e siècle
3
Easter Rising, 1916
3
World War, 1939-1945
3
1789-1900
2
1800-1933
2
1869-1948
2
1870-1914
2
1870-1940
2
1884-1972
2
1889-1964
2
1893-1976
2
1897-1957
2
18th century
2
1900-1945
2
1901-1936
2
1908-1964
2
1910-1921
2
1912-1926
2
1914-1922
2
more ...