1821

1821 (MDCCCXXI) was a common year starting on Monday of the Gregorian calendar and a common year starting on Saturday 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.

Millennium: 2nd millennium
Centuries:
Decades:
Years:
1821 in various calendars
Gregorian calendar1821
MDCCCXXI
Ab urbe condita2574
Armenian calendar1270
ԹՎ ՌՄՀ
Assyrian calendar6571
Balinese saka calendar1742–1743
Bengali calendar1228
Berber calendar2771
British Regnal year1 Geo. 4  2 Geo. 4
Buddhist calendar2365
Burmese calendar1183
Byzantine calendar7329–7330
Chinese calendar庚辰年 (Metal Dragon)
4517 or 4457
     to 
辛巳年 (Metal Snake)
4518 or 4458
Coptic calendar1537–1538
Discordian calendar2987
Ethiopian calendar1813–1814
Hebrew calendar5581–5582
Hindu calendars
 - Vikram Samvat1877–1878
 - Shaka Samvat1742–1743
 - Kali Yuga4921–4922
Holocene calendar11821
Igbo calendar821–822
Iranian calendar1199–1200
Islamic calendar1236–1237
Japanese calendarBunsei 4
(文政4年)
Javanese calendar1748–1749
Julian calendarGregorian minus 12 days
Korean calendar4154
Minguo calendar91 before ROC
民前91年
Nanakshahi calendar353
Thai solar calendar2363–2364
Tibetan calendar阳金龙年
(male Iron-Dragon)
1947 or 1566 or 794
     to 
阴金蛇年
(female Iron-Snake)
1948 or 1567 or 795

Events

January–March

April–June

March 25 (O.S.)/April 6 (N.S.): Start of the Greek War of Independence

July–September

July 19: Coronation of George IV of the United Kingdom
July 28: Proclamation of the Independence of Peru
September 15: Declaration of Independence of Central America
September 27: Entrance of the Army of the Three Guarantees to Mexico City

October–December

September 23 (O.S.)/October 5 (N.S.): Siege of Tripolitsa

Date unknown

Births

January–June

July–December

Date unknown

Deaths

January–June

July–December

References

  1. Palmer, Alan. Alexander I: Tsar of War and Peace. Faber and Faber, 2011 p.416-17
  2. Roberts, Warren. Rossini and Post-Napoleonic Europe. Boydell & Brewer, 2015. p.111
  3. "History of the Guardian". The Guardian. December 11, 2017. ISSN 0261-3077. Retrieved June 19, 2019.
  4. Lieberman, Benjamin (2013). Terrible Fate: Ethnic Cleansing in the Making of Modern Europe. Rowman & Littlefield. p. 9.
  5. Tucker, Spencer C., ed. (2009). A Global Chronology of Conflict: From the Ancient World to the Modern Middle East. ABC-CLIO. p. 1139.
  6. "Commerce between Russia and Persia— Proposed Union of the Black Sea with the Atlantic". The Oriental Herald (November 1826) p. 285.
  7. Headland, Robert K. (1989). Chronological list of Antarctic expeditions and related historical events. Cambridge University Press. ISBN 978-0-521-30903-5. OCLC 185311468.
  8. "South Orkney Islands". Encyclopædia Britannica (Online Academic ed.).
  9. "Prominent Sengleans". Senglea Local Council. Archived from the original on February 16, 2020.
  10. "BBC – History – Historic Figures: John Keats (1795–1821)". bbc.co.uk. Retrieved January 3, 2017.
  11. "Napoleon I | Biography, Achievements, & Facts". Encyclopedia Britannica. Retrieved July 11, 2021.
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