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Events

By Place

Byzantine Empire

• The Avars attack Constantinople.

Asia

• The Second Perso-Turkic War is fought.
• The Meccan boycott of Hashemites and Muhammad ends.

By Topic

Arts and Sciences

• The calculation of the Chinese calendar begins to use true motions of the sun and moon modeled using two offset opposing parabolas.
• The Chinese begin using large orchestras.

Religion

• December 23 — Pope Boniface V succeeds Pope Adeodatus I as the 69th pope.
• Mellitus becomes Archbishop of Canterbury.
• Kubrat, ruler of the Bulgars, is baptised in Constantinople.

Births

• Li Chengqian, crown prince of Emperor Taizong of Tang China

Deaths

• 3 February — Laurence, Archbishop of Canterbury
• St. John the Merciful, Greek Patriarch of Alexandria (possible date)
• Abu Talib, uncle of Islamic Prophet Muhammad
• Khadija, wife of Islamic Prophet Muhammad
• Emperor Gong of Sui
• Heshana Khan
• Li Gui
• Li Mi, Chinese rebel against the Sui Dynasty, served briefly as a Tang Dynasty official (born 582)
• Liu Wenjing, Chinese chancellor of the Tang Dynasty (born 568)
• Yang Tong
• Yuwen Huaji