Era
1945-
174
20th century
97
Since 1945
46
1900-1999
40
To 1945
38
1945-1989
21
1912-1945
20
Ottoman Empire, 1288-1918
15
1912-1949
14
1926-1945
12
1868-
11
1900 - 1999
10
Since 1900
7
1893-1976
6
1912 - 1949
6
1912-1928
6
1937-1945
6
Since 1912
6
1887-1975
5
19th century
5
Allied occupation, 1945-1952
5
1818-1883
4
1880-1959
4
1918-1945
4
1926-1989
4
20e siècle
4
Japanese occupation, 1910-1945
4
Republic, 1912-1949
4
Revolution, 1917-1921
4
Revolution, 1956
4
1801-1917
3
1867-
3
1868-1912
3
1870-1945
3
1880-1958
3
1880-1964
3
1892-1953
3
1894-1983
3
1900-1918
3
1906-
3
1927-2006
3
1928-1937
3
1800-1918
2
1859-1933
2
1870-1924
2
1874-1965
2
1879-1940
2
1880-1956
2
1883-1944
2
1883-1970
2
more ...