He returned to politics to oppose the pro-slavery Kansas – Nebraska Act ( 1854 ); this law repealed the slavery-restricting Missouri Compromise ( 1820 ).

Percy Bysshe Shelley composed a " Hymn of Apollo " ( 1820 ), and the god's instruction of the Muses formed the subject of Igor Stravinsky's Apollon musagète ( 1927 – 1928 ).

Causes include controversy over admitting Missouri as a slave state in 1820, the acquisition of Texas as a slave state in 1845 and the status of slavery in western territories won as a result of the Mexican – American War and the resulting Compromise of 1850.

* 1820 – Nadar, French photographer, caricaturist, journalist, novelist and balloonist ( d. 1910 )

* 1820 – Alexander Ypsilantis is declared leader of Filiki Eteria, a secret organization to overthrow Ottoman rule over Greece.

* 1820 – George Grove, English historian ( d. 1900 )

* 1820 – John Tyndall, British physicist ( d. 1893 )

* 1890 – David Wilber, American politician ( b. 1820 )

* 1751 – Wilhelmina of Prussia, Princess of Orange ( d. 1820 )

* 1820 – Andrew Rainsford Wetmore, Canadian politician ( d. 1892 )

* 1820 – Constitutionalist insurrection at Oporto, Portugal.

* Alfonso Sanz y Martínez de Arizala ( 28 January 1880, Madrid – 1970 ), married in 1922 to María de Guadalupe de Limantour y Mariscal ( d. 1977, Marbella ), daughter of Julio de Limantour y Marquet ( 17 June 1863, Mexico City – 11 October 1909, Mexico City ) and wife Elena Mariscal y ..., paternal granddaughter of French Joseph Yves de Limantour y Rence de la Pagame ( 1812, Ploemeur – 1885, Mexico City ) and wife Adèle Marquet y Cabannes ( 1820, Bordeaux –?

* 1771 – Karl Philipp Fürst zu Schwarzenberg, Austrian field marshal ( d. 1820 )

* 1820 – Alexander Cartwright, American inventor of Baseball ( d. 1892 )

Anne Brontë (; 17 January 1820 – 28 May 1849 ) was a British novelist and poet, the youngest member of the Brontë literary family.

Four more children followed: Charlotte, ( 1816 – 1855 ), Patrick Branwell ( 1817 – 1848 ), Emily, ( 1818 – 1848 ) and Anne ( 1820 – 1849 ).

* 1899 – Joseph Wolf, German artist ( b. 1820 )

* Daniel Boone ( November 2, 1734 October 22 – September 26, 1820 ) was an American pioneer, explorer, and frontiersman whose frontier exploits made him one of the first folk heroes of the United States.

* 1820 – The Venus de Milo is discovered on the Aegean island of Melos.

** Essex ( whaleship ), sunk by a sperm whale in 1820

In the most famous example, a sperm whale attacked and sank the American whaleship Essex in 1820.

When the whaleship Essex was rammed and sunk by a whale in 1820, the captain opted to sail 3000 miles upwind to Chile rather than 1400 miles downwind to the Marquesas because he had heard the Marquesans were cannibals.

After the sinking of the Essex of Nantucket by a whale, on November 20, 1820, ( an important source event for Herman Melville's Moby-Dick ) the survivors, in three small boats, resorted, by common consent, to cannibalism in order for some to survive.

* November 20, 1820 After the sinking of the Essex ( whaleship ) of Nantucket by a whale the survivors were left floating in three small whaleboats.

When the ship was struck by a whale on November 20, 1820, he joined the boat of the first mate, Owen Chase, who later wrote about the incident in the Narrative of the Most Extraordinary and Distressing Shipwreck of the Whale-Ship Essex, the book that would inspire Herman Melville to write Moby-Dick.

Some of the survivors of the wreck of the whaleship Essex, which had been attacked and sunk by a whale in November 1820, mistakenly believed that they had reached Ducie after a month at sea in two whaleboats.

After the sinking of the Essex of Nantucket by a whale on November 20, 1820, the survivors were left floating in three small whaleboats.

Ngwane chief Sobhuza I led his people to higher elevations around 1820 to escape Zulu attacks.

During the attacks by Ngapuhi in the Musket wars in late September 1820, most of the population were killed, eaten, taken prisoner or fled south to the Waikato.

The crew of the sunken Nantucket whaleship Essex landed briefly on the island, staying from 20 to 27 December 1820.

He was born on 15 October 1762 in Boxford, Massachusetts, in Essex County, and died on 7 February 1820, Concord, New Hampshire, in Merrimack County.

In 1820, the crew of the whaleship, Essex, spent time on uninhabited Henderson Island where they gorged on birds, fish, and vegetation and found a small freshwater spring.

In 1819 the first British whaleship, the Syren ( 510 tons ), under Frederick Coffin of Nantucket, was sent to the Japan grounds, where she began whaling on 5 April 1820.

In 1820, Spain abolished the slave trade, hurting the Cuban economy even more and forcing planters to buy more expensive, illegal, and troublesome slaves ( as demonstrated by the events surrounding the ship Amistad ).

* 1820 –, the ship that will take Charles Darwin on his scientific voyage, is launched.

* was a ship-of-the-line, launched in 1820 and in commission as a warship from 1838 to 1840 and from 1846 to 1850, then later used as a receiving ship.

* May 11, 1820 – The HMS Beagle ( the ship that later takes young Charles Darwin on his scientific voyage ) is launched.

In the 19th century ship building and industry developed, resulting in an increasing population: from 770 in 1820, 1153 in 1840, 2000 in 1867, to 9400 in 2004.

Jonathan Bellows, from South Charleston, N. H., settled here about 1820 being a direct descendent of John Bellows who was registered on the good ship " Hopewell " from London in 1635.

*, was a 74-gun ship of the line, launched in 1820 and burned in 1861

*, was a 74-gun ship of the line, laid down in 1820 which never left the stocks, and was burned in 1861.

*, was a ship of the line launched in 1820 and sold in 1867

*, was a ship of the line on active service from 1815 to 1820

In 1819, they received $ 100, 000 from Congress and in January 1820 the first ship, the Elizabeth, sailed from New York for West Africa with three white ACS agents and 88 emigrants aboard.

* 1820 — HMS Beagle ; ship used on naturalist Charles Darwin's famous voyage.

He was tried at Lancaster, on the 17 April 1820, and received a seven-year sentence of transportation, and arrived in Australia in the convict ship Juliana, on the 29 December 1820.

In October 1820, Colonel David Jewett, sought shelter in the islands after his ship, the frigate Heroina, was damaged in a storm.

It was discovered in 1820 by Captain Joseph Allen of the ship Maro, after whose ship the reef was named.

* was a 120-gun first rate ship of the line launched in 1820.

The island was first sighted in 1820 by the Russian explorer Fabian Gottlieb von Bellingshausen, who named the island for his ship Vostok ( the name means " East " in Russian ).

The island was first sighted in 1820 by the Russian explorer Fabian Gottlieb von Bellingshausen, who named the island for his ship Vostok ( the name means " East " in Russian ).

She fought in the Battle of Trafalgar in 1805, was used as a prison ship from 1813, a receiving ship from 1820 and was sold for breaking up in 1838, recorded in Turner's The Fighting Temeraire.

In October 1820, following damage to his ship Heroína in a storm, Colonel David Jewett was forced to put into the islands to shelter in Puerto Soledad.