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1821

Millennium: 2nd millennium
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1821 in topic:
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1821 in various calendars
Gregorian calendar 1821
MDCCCXXI
Ab urbe condita 2574
Armenian calendar 1270
ԹՎ ՌՄՀ
Assyrian calendar 6571
Bengali calendar 1228
Berber calendar 2771
British Regnal year Geo. 4 – 2 Geo. 4
Buddhist calendar 2365
Burmese calendar 1183
Byzantine calendar 7329–7330
Chinese calendar 庚辰(Metal Dragon)
4517 or 4457
    — to —
辛巳年 (Metal Snake)
4518 or 4458
Coptic calendar 1537–1538
Discordian calendar 2987
Ethiopian calendar 1813–1814
Hebrew calendar 5581–5582
Hindu calendars
 - Vikram Samvat 1877–1878
 - Shaka Samvat 1742–1743
 - Kali Yuga 4921–4922
Holocene calendar 11821
Igbo calendar 821–822
Iranian calendar 1199–1200
Islamic calendar 1236–1237
Japanese calendar Bunsei 4
(文政4年)
Javanese calendar 1748–1749
Julian calendar Gregorian minus 12 days
Korean calendar 4154
Minguo calendar 91 before ROC
民前91年
Nanakshahi calendar 353
Thai solar calendar 2363–2364


1821 (MDCCCXXI) was a common year starting on Monday (dominical letter G) of the Gregorian calendar and a common year starting on Saturday (dominical letter B) of the Julian calendar, the 1821st year of the Common Era (CE) and Anno Domini (AD) designations, the 821st year of the 2nd millennium, the 21st year of the 19th century, and the 2nd year of the 1820s decade. As of the start of 1821, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.


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