| Dates are from the Isawa Calendar | |
| Centuries: | 4th century - 5th century - 6th century |
| Years: | 497 498 499 - 500 - 501 502 503 |
Events[]
- Heichi Shizugai witnesses the murder of Mirumoto Chorude in an illegal duel with Matsu Dainoku.
- Boar Clan Champion Heichi Batsuda stands in for his son in the duel against Dainoku.
- Heichi Shizugai becomes Boar Clan Champion.