821

Millennium: 1st millennium
Centuries:
Decades:
Years:
821 in various calendars
Gregorian calendar821
DCCCXXI
Ab urbe condita1574
Armenian calendar270
ԹՎ ՄՀ
Assyrian calendar5571
Balinese saka calendar742–743
Bengali calendar228
Berber calendar1771
Buddhist calendar1365
Burmese calendar183
Byzantine calendar6329–6330
Chinese calendar庚子年 (Metal Rat)
3518 or 3311
    — to —
辛丑年 (Metal Ox)
3519 or 3312
Coptic calendar537–538
Discordian calendar1987
Ethiopian calendar813–814
Hebrew calendar4581–4582
Hindu calendars
 - Vikram Samvat877–878
 - Shaka Samvat742–743
 - Kali Yuga3921–3922
Holocene calendar10821
Iranian calendar199–200
Islamic calendar205–206
Japanese calendarKōnin 12
(弘仁12年)
Javanese calendar717–718
Julian calendar821
DCCCXXI
Korean calendar3154
Minguo calendar1091 before ROC
民前1091年
Nanakshahi calendar−647
Seleucid era1132/1133 AG
Thai solar calendar1363–1364
Tibetan calendar阳金鼠年
(male Iron-Rat)
947 or 566 or −206
    — to —
阴金牛年
(female Iron-Ox)
948 or 567 or −205
Thomas the Slav captures cities in Anatolia

Year 821 (DCCCXXI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar.

Events

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By place

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Byzantine Empire

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Europe

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Britain

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Abbasid Caliphate

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Births

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Deaths

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References

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  1. ^ Mladjov, Ian. "Croatian Rulers" (PDF). Retrieved May 21, 2011.[permanent dead link]