652

Year 652 (DCLII) was a leap year starting on Sunday of the Julian calendar. The denomination 652 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.

Events

King Rothari dies after a 16-year reign, and is succeeded by his son Rodoald as king of the Lombards.

Arab–Byzantine War: An Arab fleet under Abdullah ibn Sa'ad defeats the Byzantine fleet (500 ships) off the coast of Alexandria.Template:Sfn
Siege of Dongola: A Rashidun army (5,000 men) under Abdullah ibn Sa'ad besieges Dongola in the Kingdom of Makuria (modern Sudan).
Uthman ibn Affan establishes a treaty (the Baqt) between the Christian Nubians and the Muslims in Egypt, that lasts for six centuries,<ref>Template:Cite book</ref> including the tribute of 400 slaves annually.<ref>Manning, P. (1990). Slavery and African life: occidental, oriental, and African slave trades. Storbritannien: Cambridge University Press. p. 28-29</ref>
Abdel al Rahman ibn Awf, companion (sahabah) of Muhammad, frees 30,000 slaves at his death (approximate date).

The registers of population are prepared in Japan. Fifty houses are made a township, and for each township there is appointed an elder. The houses are all associated in groups of five for mutual protection, with one elder to supervise them one with another. This system prevails until the era of World War II.
The Giant Wild Goose Pagoda is constructed in Chang'an (modern Xi'an), during the Tang dynasty (China). It is completed in the same year, during the reign of Emperor Gao Zong.