|Dates are from the Isawa Calendar|
|Centuries:||5th century - 6th century - 7th century|
|Years:||508 509 510 - 511 - 512 513 514|
- The Naga city Nirukti is discovered. Hantei XI orders the city destroyed and all its inhabitants slaughtered.
- Iuchiban is entombed.
- The Ancestral Weapons of the Mantis are forged.