821

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This article is about the year 821. For the number, see 821 (number).
Millennium: 1st millennium
Centuries: 8th century9th century10th century
Decades: 790s  800s  810s  – 820s –  830s  840s  850s
Years: 818 819 820821822 823 824
821 by topic
Politics
State leadersSovereign states
Birth and death categories
BirthsDeaths
Establishment and disestablishment categories
EstablishmentsDisestablishments
821 in other calendars
Gregorian calendar 821
DCCCXXI
Ab urbe condita 1574
Armenian calendar 270
ԹՎ ՄՀ
Assyrian calendar 5571
Bahá'í calendar −1023 – −1022
Bengali calendar 228
Berber calendar 1771
English Regnal year N/A
Buddhist calendar 1365
Burmese calendar 183
Byzantine calendar 6329–6330
Chinese calendar 庚子(Metal Rat)
3517 or 3457
    — to —
辛丑年 (Metal Ox)
3518 or 3458
Coptic calendar 537–538
Discordian calendar 1987
Ethiopian calendar 813–814
Hebrew calendar 4581–4582
Hindu calendars
 - Vikram Samvat 877–878
 - Shaka Samvat 743–744
 - Kali Yuga 3922–3923
Holocene calendar 10821
Igbo calendar −179 – −178
Iranian calendar 199–200
Islamic calendar 205–206
Japanese calendar Kōnin 12
(弘仁12年)
Juche calendar N/A
Julian calendar 821
DCCCXXI
Korean calendar 3154
Minguo calendar 1091 before ROC
民前1091年
Thai solar calendar 1364

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

Events[edit]

By place[edit]

Asia[edit]

  • Tang Mu Zong becomes emperor of China.

Byzantine Empire[edit]

Europe[edit]

Births[edit]

Deaths[edit]

References[edit]