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Title: 621  
Author: World Heritage Encyclopedia
Language: English
Subject: 624, 583, 7th century, List of years, Timeline of Chinese history
Publisher: World Heritage Encyclopedia


Millennium: 1st millennium
Centuries: 6th century7th century8th century
Decades: 590s  600s  610s  – 620s –  630s  640s  650s
Years: 618 619 620621622 623 624
621 by topic
State leadersSovereign states
Birth and death categories
Establishment and disestablishment categories
621 in other calendars
Gregorian calendar 621
Ab urbe condita 1374
Armenian calendar 70
Assyrian calendar 5371
Bahá'í calendar −1223 – −1222
Bengali calendar 28
Berber calendar 1571
English Regnal year N/A
Buddhist calendar 1165
Burmese calendar −17
Byzantine calendar 6129–6130
Chinese calendar 庚辰(Metal Dragon)
3317 or 3257
    — to —
辛巳年 (Metal Snake)
3318 or 3258
Coptic calendar 337–338
Discordian calendar 1787
Ethiopian calendar 613–614
Hebrew calendar 4381–4382
Hindu calendars
 - Vikram Samvat 677–678
 - Shaka Samvat 543–544
 - Kali Yuga 3722–3723
Holocene calendar 10621
Igbo calendar −379 – −378
Iranian calendar 1 BP – 0 BP
Islamic calendar 1 BH – 0 BH
Japanese calendar N/A
Juche calendar N/A
Julian calendar 621
Korean calendar 2954
Minguo calendar 1291 before ROC
Thai solar calendar 1164
King Sisebut of the Visigoths (ca. 565–621)

Year 621 (DCXXI) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 621 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

Byzantine Empire



By topic



  • The Chinese establish an imperial bureau for the manufacture of porcelain. Their technology will advance further under the Tang Dynasty (approximate date).




  1. ^ The Early Medieval Balkans: A Critical Survey from the Sixth to the Late Twelfth Century (1991), John V.A. Fine, Jr, p. 42. ISBN 978-0472-08149-3
  2. ^ Roger Collins, "Visigothic Spain 409–711", p. 76
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