Subject (Era)
- 1900-19995
- Restoration, 1853-18705
- Taishō period, 1912-19265
- To 11855
- 1868-19454
- 1945-19894
- Bombardment, 19454
- 1912-19453
- 1949-3
- 2000-20993
- Chosŏn dynasty, 1392-19103
- Japanese occupation, 1942-19453
- Song dynasty, 960-12793
- Tʻang dynasty, 618-9073
- 1910-19452
- 1912-19492
- 1926-19892
- 1989-2
- 794-11852
- Allied occupation, 1945-19522