
Events 620s – Manufacture of Chinese Porcelain starts
Manufacture of Chinese Porcelain starts Events 622: Year one of the Islamic calendar begins, during which the Hijrah occurs—Muhammad and his followers emigrate from Mecca to Medina in September. 623: The Frankish merchant Samo, supporting the Slavs fighting their Avar rulers, becomes the ruler of the first known Slav state in Central Europe. 626: The Avars, the Slavs and the Persians jointly besiege but fail to capture Constantinople. 627: Emperor Heraclius defeats the Persians, ending the Roman–Persian Wars. 629: The Arab–Byzantine wars begin. Much of the Roman Empire is conquered by Muslim Arabs led by Khalid ibn al-Walid. 629–630: Tang campaign against the Eastern Turks, Chinese Tang dynasty forces under commanders Li Jing and Li Shiji destroy the Göktürk Khanate. The Chinese establish an imperial bureau for the manufacture of porcelain. Their technology will advance further under the Tang […]