622

622 (DCXXII) was a common year starting on Friday of the Julian calendar, the 622nd year of the Common Era (CE) and Anno Domini (AD) designations, the 622nd year of the 1st millennium, the 22nd year of the 7th century, and the 3rd year of the 620s decade. As of the start of 622, the Gregorian calendar was 3 days ahead of the Julian calendar, which was the dominant calendar of the time.

Millennium:	1st millennium
Centuries:	6th century – 7th century – 8th century
Decades:	590s  600s  610s  – 620s –  630s  640s  650s
Years:	619 620 621 – 622 – 623 624 625

622 in other calendars

Gregorian calendar	622 DCXXII
Ab urbe condita	1375
Armenian calendar	71 ԹՎ ՀԱ
Assyrian calendar	5372
Balinese saka calendar	543–544
Bengali calendar	29
Berber calendar	1572
Buddhist calendar	1166
Burmese calendar	−16
Byzantine calendar	6130–6131
Chinese calendar	辛巳年 (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	543–544
- Kali Yuga	3722–3723
Holocene calendar	10622
Iranian calendar	0–1
Islamic calendar	0–1
Japanese calendar	N/A
Javanese calendar	512–513
Julian calendar	622 DCXXII
Korean calendar	2955
Minguo calendar	1290 before ROC 民前1290年
Nanakshahi calendar	−846
Seleucid era	933/934 AG
Thai solar calendar	1164–1165
Tibetan calendar	阴金蛇年 (female Iron-Snake) 748 or 367 or −405     — to — 阳水马年 (male Water-Horse) 749 or 368 or −404

Events

• July 16 — Year one of the Islamic calendar begins.
• September – Hijra (Islam) (Mohammad leave Mecca and go to Medina.)
• Xuanzang is fully ordained as a monk at the age of 20.
• The first Chinese Encyclopedia, Yiwen Leiju, is completed.

Births

• Xue Yuanchao

Deaths

• Prince Shotoku, Japanese prince, one of the first in that country to support Buddhism
• Andronicus, Coptic Orthodox Patriarch of Alexandria
• Li Zitong
• Lin Shihong
• Liu Wuzhou