Era
Japanese occupation, 1910-1945
6
1905-1945
4
1960-1988
4
1980
4
Chosŏn dynasty, 1392-1910
3
1392-1910
2
1397-1450
2
1694-1776
2
1735-1762
2
1840-1902
2
1917-1979
2
1931 - 1945
2
1931-1945
2
1952-
2
Chosŏn dynasty, 1392-1910
2
1392 - 1910
1
1910-1945
1
1932-
1
1932-1990
1
1947-
1
1956-
1
1960-
1
1967-
1
20th century
1