622

Calendar overview 622

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622
The Byzantine Emperor Herakleios begins the counter-offensive against the Persians under Chosrau II.
622 in other calendars
Armenian calendar	70/71 (turn of the year July)
Ethiopian calendar	614/615
Buddhist calendar	1165/66 (southern Buddhism); 1164/65 (alternative calculation according to Buddhas Parinirvana )
Chinese calendar	55th (56th) cycle Year of the water horse壬午 ( at the beginning of the year metal snake 辛巳)
Islamic calendar	The year 1 begins with the hijra on July 16
Jewish calendar	4382/83 (September 10-11)
Coptic calendar	338/339
Roman calendar	from urbe condita MCCCLXXV (1375) Diocletian's era : 338/339 (November turn of the year)
Seleucid era	Babylon: 932/933 (April) Syria: 933/934 (October)
Spanish era	660
Vikram Sambat (Nepalese Calendar)	678/679 (turn of the year April)

Events

Roman-Persian Wars : Emperor Herakleios begins the Eastern Roman counteroffensive against the previously victorious Persians under Chosrau II.

July 16 : Beginning of the Islamic calendar ; Friday 1st Muharram is the first day of the year of Hijra .
September 9th : Mohammed and his followers leave Mecca (beginning of the Hijra).
September 20 : Mohammed arrives in Qubāʾ and there forms a political-religious community that gives Mohammed rules and defends itself militarily against external resistance. This day is traditionally celebrated in Islam as the Hijra Day.
September 24 : Mohammed arrives in Yathrib (later: Medina ) and thus concludes his hijra.
In Medina, upon his arrival in Yathrib, Mohammed agreed the “ Municipal Code of Medina ” with the emigrants from Mecca, his followers in Yathrib and various Jewish tribes .

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