420
420 — Korea: 백제 구이신왕 즉위 / China: 劉裕廢晉恭帝自立，建國號「宋」，史稱「劉宋」或「水宋」。東晉亡，進入「南北朝時期」
3 events. The text is the source chronology verbatim; the terms are in Sources & licenses. The grey lines above and below are the surrounding 2 years.
| KoreaThree Kingdoms of Korea 57 BC–660 | ChinaNorthern and Southern dynasties 420–581 | JapanKofun period 250–538 | United States |
|---|
| - 劉裕廢晉恭帝自立，建國號「宋」，史稱「劉宋」或「水宋」。東晉亡，進入「南北朝時期」。ZH
- Emperor Wu of Song, accession
- 419January — An was strangled on Wu's orders and succeeded by his brother Emperor Gong of Jin.
- 421The Western Liang prince Li Xun committed suicide during the siege of his capital Dunhuang by Northern Liang.
- 422Emperor Shao of Song, accession
| - No events recorded for this year
| covered from 1607 |