Unix Timestamp: -36582451200
Friday, September 27. 0810, 12:00:00 AM UTC

Bulgars, under king Krum, destroy the Avars.

A man with a sword makes an attempt on emperor Nicephorus I's life. In the following trial, the assassin claims insanity as his defense.

"Book of Kells" is completed by the Celts.

The Temple of the Jaguar Priest is constructed in Tikal National Park, Guatemala.

Al-Andalus: uprising of the city of Mérida against the Umayyad ruler.ref name=rucquoi1993

China demands the return of territory by Tibet.