621

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Events

By Place

Byzantine Empire

* Byzantine Emperor Heraclius invades Persia.

Asia

* May 28 — Battle of Hulao: Li Shimin defeats the numerically superior army of Dou Jiande.
* June 4 — Wang Shichong surrenders to Li Shimin following Dou Jiande's defeat.

By Topic

Religion

* Muhammad is said to have visited heaven aboard the steed/unicorn with wings or Buraq, in the "Isra wal-Miraj", (the Night Journey), from Mecca and then to heaven from Jerusalem 's Temple Mount, then back to Mecca.

Births

* Ardashir III, King of Persia

Deaths

* Sisebut, Visigothic King of Hispania
* Reccared II, Visigothic King of Hispania
* Dou Jiande, warlord and opponent of Li Yuan
* Wang Shichong, warlord and opponent of Li Yuan
* Dou Kang, Chinese general and briefly a chancellor of the Tang Dynasty
* Xiao Xi
* Zhu Can