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Millennium: 1st millennium
Centuries: 6th century7th century8th century
Decades: 590s  600s  610s  – 620s –  630s  640s  650s
Years: 619 620 621622623 624 625
622 by topic
State leadersSovereign states
Birth and death categories
Establishment and disestablishment categories
622 in other calendars
Gregorian calendar 622
Ab urbe condita 1375
Armenian calendar 71
Assyrian calendar 5372
Bahá'í calendar −1222 – −1221
Bengali calendar 29
Berber calendar 1572
English Regnal year N/A
Buddhist calendar 1166
Burmese calendar −16
Byzantine calendar 6130–6131
Chinese calendar 辛巳(Metal Snake)
3318 or 3258
    — to —
壬午年 (Water Horse)
3319 or 3259
Coptic calendar 338–339
Discordian calendar 1788
Ethiopian calendar 614–615
Hebrew calendar 4382–4383
Hindu calendars
 - Vikram Samvat 678–679
 - Shaka Samvat 544–545
 - Kali Yuga 3723–3724
Holocene calendar 10622
Igbo calendar −378 – −377
Iranian calendar 0–1
Islamic calendar 0–1
Japanese calendar N/A
Juche calendar N/A
Julian calendar 622
Korean calendar 2955
Minguo calendar 1290 before ROC
Thai solar calendar 1165

Year 622 (DCXXII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 622 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.


By place[edit]

Byzantine Empire[edit]


By topic[edit]


  • July 16Muhammad emigrates his community (the movement is called the Hijra) to Medina, a large agricultural oasis in Saudi Arabia. There he formally establish the Muslim community, beginning the Muslim calendar in that year, renaming it "Year One" of the Anno Hegirae (AH). He continues to preach and recite the words which Allah reveals to him. It is these passages, together with the earlier revelations at Mecca, which are written down in the Arabic script by his followers and are collected to become the Qur'an - word (often transliterated as Koran). Muhammad becomes a religious, political and even military leader.[2]
  • Xuanzang is fully ordained as a Buddhist monk at the age of 20.[3]



Chronology of Muhammad[edit]

Hid three days in the Jabal Thawr south of Mecca. from Thursday Sep 9 to Sunday Sep 12, 622 A.D/ 26 Safar- 1 Rabi-ul- Awwal, 1 AH


  1. ^ Kaegi 2003, p. 116
  2. ^ Sardar, Ziauddin (24 June 1982). "The astronomy of Ramadan". New Scientist 94 (1311): 854. ISSN 0262-4079. 
  3. ^ Howgego, Raymond John (2003). Encyclopedia of exploration to 1800. Hordern House. p. 522. ISBN 978-1-875567-36-2. 
  4. ^ Illustrated Dictionary of the Muslim World. Marshall Cavendish. 2010. pp. 122–123. ISBN 978-0-7614-7929-1. 
  5. ^ DeBlasi, Anthony (2002). Reform in the balance: the defense of literary culture in mid-Tang China. SUNY Press. p. 170. ISBN 978-0-7914-5436-7. 
  6. ^ Holtzclaw, R. Fulton (1980). The Saints Go Marching In. Keeble Press. p. 24. 
  7. ^ Woo, X. L. (2008). "622#v=onepage&q&f=false Empress Wu the Great: Tang Dynasty China. Algora Publishing. p. 19. ISBN 978-0-87586-660-4. 
  8. ^ The New Encyclopædia Britannica: Micropædia (15th ed.). Encyclopædia Britannica, Inc. 1991. p. 765. ISBN 978-0-85229-529-8.