Era
20th century
64
1900-1999
31
1905-1945
22
1985-1991
21
Revolution, 1917-1921
21
1945-
19
1970-1991
14
1900 - 1999
11
1905 - 1945
11
1945-1991
11
1917-
10
1917-1936
10
1986-1991
10
Since 1945
9
1870-1924
8
1950-1953
7
Japanese occupation, 1910-1945
7
1864-1910
6
1912-1994
6
1945-1948
6
1945-1955
6
1949-
6
Allied occupation, 1945-1948
6
1878-1953
5
1917-1945
5
1932-
5
1948-1994
5
Since 1917
5
1801-1917
4
1818-1883
4
1873-1935
4
1894-1917
4
1917-1921
4
1924-1966
4
1945-1953
4
1950 - 1953
4
Partition, 1945
4
Revolution, 1905-1907
4
Since 1949
4
1868-1912
3
1888-1982
3
1945 - 1948
3
1945 - 1989
3
1945-1989
3
1976-
3
1991-
3
20e siècle
3
21st century
3
Independence movement, 1919
3
1825-1921
2
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