1821

Millennium:	2nd millennium
Centuries:	18th century 19th century 20th century
Decades:	1800s 1810s 1820s 1830s 1840s
Years:	1818 1819 1820 1821 1822 1823 1824

1821 in various calendars
Gregorian calendar	1821 MDCCCXXI
Ab urbe condita	2574
Armenian calendar	1270 ԹՎ ՌՄՀ
Assyrian calendar	6571
Balinese saka calendar	1742–1743
Bengali calendar	1228
Berber calendar	2771
British Regnal year	1 Geo. 4 – 2 Geo. 4
Buddhist calendar	2365
Burmese calendar	1183
Byzantine calendar	7329–7330
Chinese calendar	庚辰年 (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
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

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

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.

Events

January–March

June 24: Battle of Carabobo

January 21 – Peter I Island in the Antarctic is first sighted, by Fabian Gottlieb von Bellingshausen.
January 28 – Alexander Island, the largest in Antarctica, is first discovered by Fabian Gottlieb von Bellingshausen.
February 9 – Columbian College of the District of Columbia is chartered by President Monroe.
March 4 – James Monroe begins his second term as President of the United States.
March 5 – President James Monroe is sworn in for his second term.

April–June

March 25 (O.S.)/April 6 (N.S.) – Metropolitan bishop Germanos of Patras raises the revolutionary flag of Greece at the Monastery of Agia Lavra, (according to oral tradition, not historical record) symbolically marking the beginning of the Greek War of Independence against the Ottoman Empire; later celebrated as Greece's traditional Independence Day.
April 10 (O.S.)/April 22 (N.S.) – Ecumenical Patriarch Gregory V of Constantinople is blamed by the Ottoman government for being unable to suppress Greek independence, and is hanged outside the main gate of the Patriarchal Cathedral immediately after the celebration of Pascha.
May 5 – Emperor Napoleon dies in exile on Saint Helena of stomach cancer.
May 5 – The first edition of the Manchester Guardian newspaper (from 1959 simply The Guardian) is published in England.^[1]
May 26 (O.S.)/June 7 (N.S.) – The Peloponnesian Senate is established by the Greek rebels.
June 14 – Egyptian conquest of Sudan (1820–1824): King Badi VII of Sennar surrenders his throne and realm without a fight to Ismail Pasha, general of the Ottoman Empire, ending the existence of the Funj Sultanate in Sudan.
June 7 (O.S.)/June 19 (N.S.) – Battle of Drăgășani, Wallachia: The Filiki Eteria are decisively defeated by the Ottomans.
June 24 – Battle of Carabobo: Simón Bolívar wins Venezuela's independence from Spain.

July–September

Date	Events	Photos
Wednesday, July 4	Return of John VI from Brazil who approves on that day the Bases da Constituição
Sunday, July 10	The United States takes possession of its newly bought territory of Florida from Spain.
Thursday, July 19	George IV is crowned king of the United Kingdom of Great Britain and Ireland.
Saturday, July 28	Argentine general José de San Martín declares the independence of Peru from the Spanish Empire.
Tuesday, August 4	The Saturday Evening Post is published for the first time, as a weekly newspaper in the United States.
Friday, August 10	Missouri is admitted as the 24th U.S. state (see History of Missouri).
Sunday, August 7 (O. S.)/ August 19 (N. S.)	Navarino massacre: Greek rebels massacre 3,000 inhabitants of the city of Navarino.
Tuesday, August 21	Jarvis Island is discovered in the Pacific by the crew of the Eliza Frances.
Friday, August 24	The Treaty of Córdoba is signed in Córdoba, Veracruz, Mexico, ratifying the Plan of Iguala of February 24 for Mexico's independence from Spain and, although not recognised by the latter, effectively concludes the Mexican War of Independence.
Tuesday, September 4	Chilean general José Miguel Carrera is executed by an Argentinian military tribunal, in the city of Mendoza.
Friday, September 7	The Republic of Gran Colombia (a federation covering much of present-day Venezuela, Colombia, Panama, and Ecuador) is established, with Simón Bolívar as the founding President, and Francisco de Paula Santander as vice president.
Saturday, September 15	Guatemala, El Salvador, Honduras, Nicaragua and Costa Rica gain independence from Spain by the Act of Independence of Central America. On October 29, the newly independent First Mexican Empire proposes that Guatemala should merge with it.
Sunday, September 4 (O. S.)/ September 16 (N. S.)	Ukase of 1821: Russia proclaims territorial sovereignty over Northwestern North America, modern-day Alaska.
Tuesday, September 18	Amherst College is founded in Massachusetts.
Thursday, September 27	The Army of the Three Guarantees enters Mexico City, and the following day the Declaration of Independence of the Mexican Empire from Spain is proclaimed, following the Mexican War of Independence.

October–December

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

September 23 (O.S.)/October 5 (N.S.) – The Siege of Tripolitsa ends, when Greek rebels capture the city of Tripoli, Greece. The massacre of 8,000 civilians follows the end of the Siege of Tripolitsa (Greek forces under the command of General Theodoros Kolokotronis had besieged the city for several months, during the Greek War of Independence from Turkey and the Ottoman Empire.^[2]^[3]
October 8 (O.S.)/October 20 (N.S.) – Tsar Alexander I of Russia issues an imperial ukase, guaranteeing freedom of commerce in Russia by merchants from Persia.^[4]
November 16 – American Old West: The Santa Fe Trail is first used by William Becknell.
November 28 – Panama declares independence from Spain, joining Gran Colombia.
December 1 – The Dominican Republic declares independence from Spain (see History of the Dominican Republic). It would be invaded by Haiti in 1822.
December 6 – The South Orkney Islands are discovered, by George Powell and Nathaniel Palmer.^[5]^[6]
December 15 – The world's first geographical society, the Société de géographie, is established in Paris.
December 19 – The Eyjafjallajökull volcano in Iceland begins to erupt.

Date unknown

The town of Al-Ubayyid, Sudan is established.
High-quality cotton is introduced in Egypt.
Widener University is founded in Wilmington, Delaware.

Births

January–June

James Longstreet

John C. Breckinridge

January 2 – Catherine Huggins, British actor, singer, director and manager (d. 1887)
January 8
- James Longstreet, American Confederate general (d. 1904)
- W. H. L. Wallace, American Civil War general (d. 1862)
January 16 – John C. Breckinridge, the 14th Vice President of the United States (1857-1861) and Confederate Secretary of State in 1865 (d. 1875)
February 3 – Elizabeth Blackwell, first American female physician (d. 1910)
February 11 – Auguste Edouard Mariette, French Egyptologist (d. 1881)
February 17 – Lola Montez, Irish-Spanish dancer, royal mistress (d. 1861)
February 19
- Francis Preston Blair Jr., American politician, American Civil War officer (d. 1875)
- August Schleicher, German linguist (d. 1868)
February 22 – Athalia Schwartz, Danish writer, journalist and educator (d. 1871)
March 1 – Joseph Hubert Reinkens, German Old Catholic bishop (d. 1896)
March 9 – John Watts de Peyster, American author, philanthropist, and soldier (d. 1907)
March 12 – Sir John Abbott, 3rd Prime Minister of Canada (d. 1893)
March 15 – William Milligan, Scottish theologian (d. 1893)
March 20 – Ned Buntline (Edward Zane Carroll Judson Sr.), American publisher, dime novelist and publicist (d. 1886)
March 29 – Melvin Amos Halsted, American settlement founder (d. 1915)
March 31 – Henry Dunning Macleod, Scottish economist (d. 1902)
April 1 – Princess Anka Obrenović, Serbian princess (d. 1868)
April 3 – Fr. Thomas Pelham Dale, English mystic (d. 1892)
April 9 – Charles Baudelaire, French poet, writer (d. 1867)
April 12 – Beauchamp Seymour, British admiral (d. 1895)
May 6
- Edmund Colhoun, American admiral (d. 1897)
- Emilie Hammarskjöld, Swedish-American musician (d. 1854)
May 8 – William Henry Vanderbilt, American entrepreneur (d. 1885)
May 16 – Pafnuty Chebyshev, Russian mathematician (d. 1894)
May 17 – Sebastian Kneipp, German naturopath (d. 1897)
May 18 – Eduard von Pestel, Prussian military officer and German general (d. 1908)
May 24 – Juan Bautista Topete, Spanish admiral and politician (d. 1885)
June 2 – Ion C. Brătianu, 2-Time Prime Minister of Romania (d. 1891)
June 16 – Old Tom Morris, Scottish golfer (d. 1908)
June 26 – Bartolomé Mitre, Argentine statesman, military figure, and author, 6th President of Argentina (d. 1906)

July–December

Louis Vuitton

Rudolf Virchow

Fyodor Dostoyevsky

July 1 – Anatole Jean-Baptiste Antoine de Barthélemy, French archaeologist (d. 1904)
July 2 – Sir Charles Tupper, 6th Prime Minister of Canada (d. 1915)
July 6 – Edmund Pettus, American politician (d. 1907)
July 9
- George Cavendish-Bentinck, British Conservative politician (d. 1891)
- Adolphus Frederick Alexander Woodford, British parson (d. 1887)
July 13 – Nathan Bedford Forrest, American Confederate Civil War General, first Grand Wizard of the Ku Klux Klan (d. 1877)
July 16 – Mary Baker Eddy, American founder of Christian Science (d. 1910)
July 17 – Friedrich Engelhorn, German industrialist and founder of BASF (d. 1902)
July 18 – Pauline Viardot, French mezzo-soprano, composer (d. 1910)
July 24 – William Poole, infamous member of New York City's Bowery Boys gang (d. 1855)
July 27 – George H. Cooper, United States Navy admiral (d. 1891)
August 10 – Jay Cooke, American financier (d. 1905)
August 16 – Arthur Cayley, English mathematician (d. 1895)
August 21 – Louis Vuitton, French fashion designer (d. 1892)
August 31 – Hermann von Helmholtz, German physician and physicist (d. 1894)
September 21 – Andrei Alexandrovich Popov, Russian admiral (d. 1898)
September 28 – Jonathan Clarkson Gibbs, African-American minister, politician (d. 1874)
October 13 – Rudolf Virchow, German physician, pathologist, biologist, and politician (d. 1902)
November 7 – Andrea Debono, Maltese trader and explorer (d. 1871)^[7]
November 11 – Fyodor Dostoyevsky, Russian writer (d. 1881)
November 30 – Frederick Temple, Archbishop of Canterbury (d. 1902)
December 1 – John M. B. Clitz, American admiral (d. 1897)
December 12 – Gustave Flaubert, French writer (d. 1880)
December 22 – Junius Brutus Booth, Jr., American actor, theatre manager (d. 1883)
December 24 – Gabriel García Moreno, former President of Ecuador (d. 1875)
December 25 – Clara Barton, first president of American Red Cross (d. 1912)

Date unknown

Giuseppe Bonavia, Maltese architect (d. 1885)

Deaths

January–June

Napoleon Bonaparte

January 4 – Elizabeth Ann Seton, American saint (b. 1774)
January 5 – Carlo Porta, Milanese poet (b. 1775)
January 19 – Alexandru Suţu, prince of Moldavia (b. 1758)
February 23 – John Keats, British poet (b. 1795)^[8]
February 26 – Joseph de Maistre, French-Savoyard philosopher (b. 1753)
March 4 – Princess Elizabeth of Clarence, daughter of William, Duke of Clarence (later King William IV) (b. 1820)
March 13 – John Hunter, second Governor of New South Wales (b. 1737)
April 10 – Patriarch Gregory V of Constantinople (b. 1746)
April 20– Franz Karl Achard, German chemist, physicist and biologist (b. 1753)
April 23 – Pierre de Ruel, marquis de Beurnonville, French general (b. 1752)
May 2 – Hester Thrale, Welsh diarist (b. 1741)
May 5 – Emperor Napoleon Bonaparte (I) of France (b. 1769)
May 19 – Camille Jordan, French politician (b. 1771)
June 7 – Tudor Vladimirescu, Wallachian rebel leader (b. c. 1780)
June 17 – Martín Miguel de Güemes, Argentine military leader (b. 1785)
June 19 – Peter Ochs, Swiss politician (b. 1752)
June 23 – Louise Marie Adélaïde de Bourbon-Penthièvre, Duchess of Orléans, heiress, wife of Philippe Égalité (b. 1753)
June 30 – José Fernando de Abascal y Sousa, viceroy of Peru (b. 1743)

July–December

John William Polidori

July 4 – Richard Cosway, English artist (b. 1742)
August – Dorothea von Medem, Latvian diploma, duchess of Courland (b. 1761)
August 24 – John William Polidori, English physician, writer (b. 1795) (suicide)
September 4 – José Miguel Carrera, Chilean general, founding father (b. 1785)
September 10 – Johann Dominicus Fiorillo, German painter, art historian (b. 1748)
September 14 – Heinrich Kuhl, German naturalist, zoologist (b. 1797)
October 4 – Marie-Louise Lachapelle, French obstetrician (b. 1769)
October 6 – Anders Jahan Retzius, Swedish chemist, botanist (b. 1742)
October 8 – Juan O'Donojú, viceroy of New Spain (b. 1762)
October 11 – John Ross Key, American judge, lawyer, father of songwriter Francis Scott Key (b. 1754)
October 21 – Dorothea Ackermann, German actress (b. 1752)
November 8 – Jean Rapp, French general (b. 1771)
December 4 – John Henniker-Major, 2nd Baron Henniker, British politician (b. 1752)
December 7 – King Pōmare II of Tahiti (b. 1782)
December 12 – Phoebe Hessel, British female soldier (b. 1713)

1821 in Popular Culture

January 3, 1821 is the end date for grand strategy video game Europa Universalis IV by Paradox Development Studio.
In episode 13 of season 2 of NCIS: New Orleans, the name of a gang is 1821, which is stated to be the year of the Honduran revolution.

References

^ "History of the Guardian". The Guardian. December 11, 2017. ISSN 0261-3077. Retrieved June 19, 2019.
^ Benjamin Lieberman, Terrible Fate: Ethnic Cleansing in the Making of Modern Europe (Rowman & Littlefield, 2013) p9
^ A Global Chronology of Conflict: From the Ancient World to the Modern Middle East, ed. by Spencer C. Tucker (ABC-CLIO, 2009) p1139
^ "Commerce between Russia and Persia— Proposed Union of the Black Sea with the Atlantic", in The Oriental Herald (November 1826) p285
^ Headland, Robert K. (1989). Chronological list of Antarctic expeditions and related historical events. Cambridge University Press. ISBN 978-0-521-30903-5. OCLC 185311468.
^ "South Orkney Islands". Encyclopædia Britannica Online Academic Edition.
^ "Prominent Sengleans". Senglea Local Council. Archived from the original on February 16, 2020.
^ "BBC - History - Historic Figures: John Keats (1795-1821)". bbc.co.uk. Retrieved January 3, 2017.

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