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221 AD

Millennium: 1st millennium
Centuries:
Decades:
Years:
221 in various calendars
Gregorian calendar 221
CCXXI
Ab urbe condita 974
Assyrian calendar 4971
Balinese saka calendar 142–143
Bengali calendar −372
Berber calendar 1171
Buddhist calendar 765
Burmese calendar −417
Byzantine calendar 5729–5730
Chinese calendar 庚子(Metal Rat)
2917 or 2857
    — to —
辛丑年 (Metal Ox)
2918 or 2858
Coptic calendar −63 – −62
Discordian calendar 1387
Ethiopian calendar 213–214
Hebrew calendar 3981–3982
Hindu calendars
 - Vikram Samvat 277–278
 - Shaka Samvat 142–143
 - Kali Yuga 3321–3322
Holocene calendar 10221
Iranian calendar 401 BP – 400 BP
Islamic calendar 413 BH – 412 BH
Javanese calendar 99–100
Julian calendar 221
CCXXI
Korean calendar 2554
Minguo calendar 1691 before ROC
民前1691年
Nanakshahi calendar −1247
Seleucid era 532/533 AG
Thai solar calendar 763–764

Year 221 (CCXXI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Gratus and Vitellius (or, less frequently, year 974 Ab urbe condita). The denomination 221 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.



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Wikipedia

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