1820

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Centuries:	18th century - 19th century - 20th century
Decades:	1790s 1800s 1810s - 1820s - 1830s 1840s 1850s
Years:	1817 1818 1819 - 1820 - 1821 1822 1823

1820 in topic:
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Art - Literature (Poetry) - Music - Science
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Countries: Australia - Canada - Germany - Ireland - New Zealand - Norway - South Africa - U.S. - UK
Leaders: State leaders - Colonial governors
Category: Establishments - Disestablishments
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Year 1820 (MDCCCXX) was a leap year starting on Saturday (link will display the full calendar) of the Gregorian calendar (or a leap year starting on Thursday of the 12-day slower Julian calendar).

1 Events of 1820
- 1.1 Undated
2 Births
- 2.1 January - June
- 2.2 July - December
3 Deaths
- 3.1 January - June
- 3.2 July - December

[edit] Events of 1820

January 1 - Constitutionalist military insurrection at Cádiz leads to summoning of Spanish parliament (March 7) (See Mid-nineteenth century Spain.)
January 28 - Russian expedition lead by Fabian Gottlieb von Bellingshausen and Mikhail Petrovich Lazarev approaches the Antarctic coast. (See History of Antarctica.)
January 29 - George IV of the United Kingdom ascends the throne, ending the period known as the British Regency. There will be a gap of eleven years before the title Prince of Wales is next used.
January 30 - Edward Bransfield lands on the Antarctic mainland. (See History of Antarctica.)
February 6
- Lord Thomas Cochrane occupies Valdivia in name of the republic of Chile.
- 86 free African American colonists sail from New York City to Freetown, Sierra Leone.
February 8 - William Tecumseh Sherman is born.
February 20 - A revolt begins in Santa María Chiquimula, Totonicapán department of Guatemala.
February 23 - The Cato Street conspiracy is exposed. The principals are executed on May 1.
March 3 & 6 - Slavery in the United States: The Missouri Compromise becomes law.
March 9 - King Ferdinand VII of Spain accepts the new constitution, beginning the Liberal Triennium ("Trienio Liberal").
March 15 - Maine is admitted as the 23rd U.S. state.
April
- Hans Christian Ørsted discovers the relationship between electricity and magnetism.
- Radical War is fought in Scotland.
May 1 - Last hanging drawing and quartering in Britain – Cato Street conspirators for treason (only hanged and beheaded.)
May 11 - Launch of HMS Beagle the ship that would later take young Charles Darwin on his scientific voyage.
July - Constitutionalist revolution in the Kingdom of the Two Sicilies.
July 20 - Saint Cronan's Boys National School opens in Bray, Co. Wicklow, Ireland under the title Bray Male School. It is the oldest school in Bray and its notable past pupils include former President of Ireland, Cearbhall Ó Dálaigh
August 24 - Constitutionalist insurrection at Oporto, Portugal; revolution in Lisbon, September 15 (see Portugal's crises of the Nineteenth Century.).
October 9 - Guayaquil declare independence from Spain. (See also History of Ecuador).
October 25-November 20 - Congress of Troppau (Opava) between rulers of Russia, Austria and Prussia.
December 3 - U.S. presidential election, 1820 - James Monroe is re-elected, virtually unopposed.

[edit] Undated

The 6th Edition of Encyclopædia Britannica appears.
The Argentine Confederation (Argentina) establishes a penal colony in Falkland Islands.
Venus de Milo is found on the island of Melos (Milos).
Robert Owen devises the labour voucher.
Mount Rainier erupts over what is today Seattle.
Joseph Smith, Jr. experiences his First Vision in spring in Palmyra, New York.
18,957 black slaves leave Luanda.

[edit] Births

**1820 in other calendars**
Gregorian calendar	1820 MDCCCXX
Ab urbe condita	2573
Armenian calendar	1269 ԹՎ ՌՄԿԹ
Bahá'í calendar	-24 – -23
Berber calendar	2770
Buddhist calendar	2364
Burmese calendar	1182
Chinese calendar	4456/4516-11-16 (己卯年十一月十六日) — to — 4457/4517-11-26 (庚辰年十一月廿六日)
Coptic calendar	1536 – 1537
Ethiopian calendar	1812 – 1813
Hebrew calendar	5580 – 5581
Hindu calendars
- Vikram Samvat	1875 – 1876
- Shaka Samvat	1742 – 1743
- Kali Yuga	4921 – 4922
Holocene calendar	11820
Iranian calendar	1198 – 1199
Islamic calendar	1235 – 1236
Japanese calendar	Bunsei 3 (文政3年)
Korean calendar	4153
Thai solar calendar	2363
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