AD 601–700

AD 640

1 record placed in AD 640; regions: Central Asia.

Placed in AD 640 by a source

Each record sits in this year because its source places it here, or because a conversion of the source’s date, stated on the record, does. That is a placement, not a settled date, and not a complete account of the year. “No region assigned” means the collection has not fixed where the act took place. How to read a record