* 1821 – Ford Madox Brown, English painter ( d. 1893 )

* 1769 – Napoleon, Corsican-French military officer and political leader ( d. 1821 )

* 1821 – Jarvis Island is discovered by the crew of the ship, Eliza Frances.

* 1821 – The Treaty of Córdoba is signed in Córdoba, now in Veracruz, Mexico, concluding the Mexican War of Independence from Spain.

* 1774 – Elizabeth Ann Seton, American nun and saint ( d. 1821 )

* 1821 – Anita Garibaldi, Brazilian wife of Giuseppe Garibaldi ( d. 1849 )

Anne's mother, Maria Branwell ( 1783 – 1821 ), was the daughter of Thomas Branwell, a successful, property-owning grocer and tea merchant in Penzance and Anne Carne, the daughter of a silversmith.

* 1821 – Missouri is admitted as the 24th U. S. state.

* 1821 – Atkinson & Alexander publish The Saturday Evening Post for the first time as a weekly newspaper.

* 1821 – Louis Vuitton, French fashion designer, founded Louis Vuitton ( d. 1892 )

* 1821 – James Springer White, American theologian ( d. 1881 )

* 1821 – Patriarch Gregory V of Constantinople is hanged by the Ottoman government from the main gate of the Patriarchate and his body is thrown into the Bosphorus.

People starting with John Oxley in 1817, 1818 and 1821, followed by Charles Sturt in 1829 – 1830 attempted to follow the westward-flowing rivers to find an " inland sea ", but these were found to all flow into the Murray River and Darling River which turn south.

Men Playing Board Games – from The Sougandhika Parinaya Manuscript ( 1821 CE )

# Napoléon ( I ) Bonaparte ( 1769 – 1821 ) Emperor

* Christian ( French actor ) ( 1821 – 1889 ), stage name of Christian Perrin, a 19th-century French actor and singer

* The Consulate of Argos ( from 26 May 1821, under the Senate of the Peloponnese ) had a single head of state, styled consul, 28 March 1821 – 26 May 1821: Stamatellos Antonopoulos

* The Consulate of East Greece ( Livadeia ) ( from 15 November 1821, under the Areopagus of East Greece ) was headed 1 April 1821 – 15 November 1821 by three Consuls: Lambros Nakos, Ioannis Logothetis & Ioannis Filon

* Frederick William Cumberland ( 1821 – 1881 ), engineer and politician

** Edward Levett Darwin ( 1821 – 1901 ), solicitor and author

Afterwards, part of Jay was used to form, in whole or part, the Towns of Keene ( 1808 ), Elizabethtown and Wilmington ( 1821 ).

The town was formed in 1821 from the Town of Jay.

Jay Cooke ( August 10, 1821 – February 16, 1905 ) was an American financier.

Financier Jay Cooke ( 1821 – 1905 ) was in charge until 1873, when he went bankrupt.

John Jay, the first Chief Justice of the U. S. Supreme Court, was named President in 1821 and a number of illustrious individuals like Frederick Theodore Frelinghuysen, Johns Hopkins University President Daniel Coit Gilman and Edwin Francis Hyde, a former president of the Philharmonic Society of New York, headed up the organization over the years.

* Jay Cooke ( 1821 – 1905 ), American financier, notable for financing Union effort in Civil War and Northern Pacific Railway

In 1821, Sharp had been accused of fathering the illegitimate stillborn child of a woman named Anna Cooke.

" Abernethy and his associates sowed the seeds of the struggle ( 1821 – 1840 ) in which, under the leadership of Dr Henry Cooke, the Arian and Socinian elements of the Irish Presbyterian Church were thrown out.

Costa Rica joined other Central American provinces in 1821 in a joint declaration of independence from Spain.

Superpowers, such as the European great powers, had always felt no compunction in intervening in civil wars that affected their interests, while distant regional powers such as the United States could declare the interventionist Monroe Doctrine of 1821 for events in its Central American " backyard ".

Elias Boudinot ( ; May 2, 1740 – October 24, 1821 ) was a lawyer and statesman from Elizabeth, New Jersey who was a delegate to the Continental Congress and was elected as a U. S. Congressman for New Jersey following the American Revolutionary War.

An even earlier work was James Fenimore Cooper's classic novel, The Spy, written in 1821, about an American spy in New York during the Revolutionary War.

* 1821 – Charles Scribner I, American publisher ( d. 1871 )

Among the most important figures of the federal era include the first democratically elected president in Honduras, Dionisio de Herrera, a lawyer, whose government, begun in 1824 established the first constitution, Gen. Francisco Morazán, Federal President 1830-1834 and 1835 – 1839, whose figure embodies the ideal American Unionist, and José Cecilio del Valle, editor of the Declaration of Independence signed in Guatemala on September 15, 1821 and Foreign Minister of Mexico in 1823.

On Independence Day 1821, in response to those who advocated American support for independence movements in many South American countries, Adams gave a speech in which he said that American policy was moral support for independence movements but not armed intervention.

* 1821 – John Chivington, American officer ( d. 1892 )

* 1821 – William Poole, American gangster ( d. 1855 )

* 1821 – Mary Baker Eddy, American writer, founder of Christian Science ( d. 1910 )

* 1821 – James Longstreet, American Confederate general and diplomat ; and former United States Minister to the Ottoman Empire ( d. 1904 )

* 1821 – John C. Breckinridge, American lawyer and politician, 14th Vice President of the United States and Confederate general ( d. 1875 )

* John George Walker ( 1821 – 1893 ), general in the Confederate States Army during the American Civil War

Between 1821 and 1847, by a combination of purchase and conquest, American ‘ Societies ’ developed the colony ‘ Liberia .’ On July 26, 1847, it declared its independence.

After several attempts and hardships, ACS representatives in December 1821 succeeded, perhaps with some threat of force ( see American Colonization Society ), to buy Cape Mesurado, a 36-mile long strip of land near current day Monrovia, from the indigenous ruler King Peter.

* 1740 – Elias Boudinot, American lawyer and statesman ( d. 1821 )

* 1821 – William Henry Vanderbilt, American businessman ( d. 1885 )

* Napoleon LeBrun ( 1821 – 1901 ), American architect

Then, timing the action with the rest of the Central American isthmus, Panama declared its independence in 1821 and joined the southern federation.

Early examples of the espionage novel are the American stories of The Spy ( 1821 ) and The Bravo ( 1831 ), by James Fenimore Cooper.