622

Events 
 July 16 — Year one of the Islamic calendar begins.
 September – Hijra (Islam) (Mohammad leave Mecca and go to Medina.)
 Xuanzang is fully ordained as a monk at the age of 20.
 The first Chinese Encyclopedia, Yiwen Leiju, is completed.

 Births 
 Xue Yuanchao

 Deaths 
 Prince Shotoku, Japanese prince, one of the first in that country to support Buddhism
 Andronicus, Coptic Orthodox Patriarch of Alexandria
 Li Zitong
 Lin Shihong
 Liu Wuzhou