404
404 — China: Huiyuan wrote On Why Monks Do Not Bow Down Before Kings, arguing for the independence of Buddhist clergy from the monarchy / Japan: ヤマト王権による朝鮮半島侵攻（第一次倭・高句麗戦争）
4 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 | ChinaJin dynasty (266–420) 266–420 | JapanKofun period 250–538 | United States |
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- No events recorded for this year
- 402신라 실성 마립간 즉위
- 405백제 전지왕 즉위
| - Huiyuan wrote On Why Monks Do Not Bow Down Before Kings, arguing for the independence of Buddhist clergy from the monarchy.
- 劉裕舉兵討伐桓玄，桓玄敗走蜀地，途中被殺。ZH
- 403東晉桓玄篡位稱帝，建國桓楚。
- 403Under military pressure from Southern Liang and Northern Liang, the Later Liang emperor Lü Long surrendered his capital Guzang, in modern Wuwei, to the Later Qin emperor Yao Xing.
- 405Tao Yuanming retired.
- 405劉裕肅清桓氏勢力，迎晉安帝復位，掌控朝廷。
| - ヤマト王権による朝鮮半島侵攻（第一次倭・高句麗戦争）。JA
- Goguryeo–Wa conflicts between Wa, Baekje, and Gaya against Goguryeo and Silla
- 406Emperor Hanzei, accession
| covered from 1607 |