1751

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{{Year article header|1751}} In Britain and its colonies (except Scotland),{{efn|Scotland had already moved its New Year's Day from 25 March to 1 January, with effect from 1 January 1600}} 1751 only had 282 days due to the Calendar (New Style) Act 1750, which ended the year on 31 December (rather than nearly three months later according to its previous rule).

Events

= January–March =

January 1 – As the Province of Georgia undergoes the transition from a trustee-operated territory to a Crown colony, the prohibition against slavery is lifted by the Trustees for the Establishment of the Colony of Georgia in America. At the time, the Black population of Georgia is approximately 400 people, who had been kept in slavery in violation of the law.James Van Horn Melton, Religion, Community, and Slavery on the Colonial Southern Frontier (Cambridge University Press, 2015) p. 232 By 1790, the enslaved population of Georgia increases to over 29,000 and to 462,000 by 1860.Charles E. Cobb Jr., On the Road to Freedom: A Guided Tour of the Civil Rights Trail (Algonquin Books, 2008) p. 156
January 7 – The University of Pennsylvania, conceived 12 years earlier by Benjamin Franklin and its other trustees to provide non-denominational higher education "to train young people for leadership in business, government and public service".[https://www.upenn.edu/about/history "Penn's Heritage"], University of Pennsylvania website rather than for the ministry, holds its first classes as "The Academy and Charitable School in the Province of Pennsylvania" in Philadelphia.Edward Potts Cheyney, History of the University of Pennsylvania, 1740–1940 (University of Pennsylvania Press, 2014) p. 37
January 13 – For the first time, the American colony in Georgia has an elected legislature after having been administered by a corporate Board of Trustees since its founding in 1732. The original Georgia Assembly meets in Savannah with 16 representatives as the colony prepares to become a British colonial province.Craig A. Doherty and Katherine M. Doherty, The Thirteen Colonies: Georgia (Infobase Publishing, 2005) p. 64 After electing Francis Harris as the Speaker of the unicameral Assembly, the delegates successfully ask the Trustees not to surrender control of Georgia to the neighboring Province of South Carolina.Edward J. Cashin, Beloved Bethesda: A History of George Whitefield's Home for Boys, 1740–2000 (Mercer University Press, 2001) p. 67
January 18 – In the aftermath of the Lhasa riot of 1750, Chinese General Ban Di arrives at the capital of Tibet on behalf of the Qianlong Emperor and the seven imprisoned leaders of the rebellion are turned over to his custody by the 7th Dalai Lama, Keizang Gyatzo. General Ban Di guides the interrogation under torture of rebel leader Lobsang Trashi and, after five days orders the beheading and dismemberment of the seven rebels.Yingcong Dai, The Sichuan Frontier and Tibet: Imperial Strategy in the Early Qing (University of Washington Press, 2009) p. 131
February 14 – At Lakkireddipalle in southeastern India, the new Nizam of Hyderabad, Subhadar Muzaffar Jang, leads an invasion of cavalry against the small kingdom of Kurnool and is confronted by its monarch, the Nawab Bahadur Khan. The Subhadar and the Nawab order their soldiers to stand down and then engage in hand-to-hand combat, during which the Nawab "thrust[s] a spear into the Subhadar's brain" before he is "himself hacked to pieces."N. S. Ramaswami, Political History of Carnatic Under the Nawabs (Abhinav Publications, 1984) pp145-146
February 16 – English poet Thomas Gray first publishes Elegy Written in a Country Churchyard, anonymously in The Magazine of Magazines. The poem becomes more popularly known as "Gray's Elegy".Catherine Robson, Heart Beats: Everyday Life and the Memorized Poem (Princeton University Press, 2012) p134
February 18 – As the Governor of French Louisiana, Pierre de Rigaud, the Marquis de Vaudreuil, issues the first police regulations for New Orleans in an attempt to combat crime in that city.Troy Taylor, Wicked New Orleans: The Dark Side of the Big Easy (Arcadia Publishing, 2010)
March 25 – For the last time, New Year's Day is legally on March 25, in England and Wales and "in all his Majesty's Dominions in Europe, Asia, Africa and America""Saturday's Post from the Whitehall and General Evening Posts", The Derby Mercury (Derby, Derbyshire), September 15, 1752, p. 1 due to the Calendar (New Style) Act 1750. The months of January 1751, February 1751 and most of March 1751 did not exist in British territories: those months were recorded as the last three of 1750 according to the Old Style dating system; the equivalent months a year later were recorded as the first three of 1752 under the New Style system.
March 31 – Frederick, Prince of Wales, heir-apparent to the British throne, dies of a pulmonary embolism at the age of 44 after a game of cricket. His 12-year-old son, Prince George, becomes the heir-apparent and will later become King George III. {{cite book|last=Williams|first=Hywel|title=Cassell's Chronology of World History|url=https://archive.org/details/cassellschronolo0000will|url-access=registration|location=London|publisher=Weidenfeld & Nicolson|year=2005|isbn=0-304-35730-8|pages=[https://archive.org/details/cassellschronolo0000will/page/314 314–315]}} Frederick's widow Augusta of Saxe-Gotha becomes Dowager Princess of Wales.

= April–June =

April 5 – Sweden's King Frederick I dies at the age of 74 (March 25 on the Julian calendar, which remains in effect in Sweden and Finland until 1753), after a reign of 31 years, bringing an end to the rule of Sweden by the House of Hesse because he has no legitimate heirs. Prince Adolf Frederick of the House of Holstein-Gottorp, who had been elected as the crown prince in 1743, becomes the new King.
April 19 – The Qianlong Emperor of China visits the southern capital of Nanjing for the first time, bringing with him 3,000 staff and 6,690 horses and stays for four days Chuck Wooldridge, City of Virtues: Nanjing in an Age of Utopian Visions (University of Washington Press, 2015) p25
April 20 – A month after the death of his father, 12-year old Prince George William Frederick is formally invested as the new Prince of WalesNotes and Queries: A Medium of Intercommunication for Literary Men, General Readers, Etc., April 21, 1894 (Oxford University Press, 1894_ p314 Nine years later, Prince George becomes King George III upon the death of his grandfather, King George II.
April 29 – The sport of cricket is first played in the American colonies, as a team of New Yorkers plays against a team of Englishmen and defeats them, 167 to 80, in a match in Greenwich Village John Thorn, Baseball in the Garden of Eden: The Secret History of the Early Game (Simon and Schuster, 2012) p64Tom Melville, The Tented Field: A History of Cricket in America (Popular Press, 1998) p5

May 11 – The Pennsylvania Hospital, first hospital in the American colonies, is chartered in Philadelphia by the Pennsylvania legislature, which grants the right to Benjamin Franklin and to Dr. Thomas Bond. Thomas G. Morton and Frank Woodbury, The History of the Pennsylvania Hospital, 1751-1895 (Philadelphia Times Printing House, 1895) p376
May 27 (May 13 Old Style) – Adoption of the Gregorian calendar: Royal assent is given to An Act for Regulating the Commencement of the Year; and for Correcting the Calendar now in Use (the "Calendar Act") passed by the Parliament of Great Britain, introducing the Gregorian Calendar, correcting the eleven-day difference between Old Style and New Style dates and making 1 January legally New Year's Day from 1752 in the British Empire.{{cite book|first=H.|last=Dagnall|title=Give us back our eleven days|location=Edgware|publisher=author|year=1991|isbn=0-9515497-2-3|page=19}} It is largely promoted by George Parker, 2nd Earl of Macclesfield.
June 14 – The colony of South Carolina reverses a 10-year-old law that had imposed a tax of 100 pounds sterling on the purchase of imported African slaves, and reduces the tax to £10.Joseph Kelly, America's Longest Siege: Charleston, Slavery, and the Slow March Toward Civil War (The Overlook Press, 2013) The move effectively restores the slave trade to the colony.
June 28 – The first volume of Denis Diderot's Encyclopédie, ou dictionnaire raisonné des sciences, des arts et des métiers, often referred to as le Encyclopédie, is published Jean Le Rond d'Alembert, Preliminary Discourse to the Encyclopedia of Diderot (University of Chicago Press, 1995) pp xxviiiSam Stark, Diderot: French Philosopher and Father of the Encyclopedia (The Rosen Publishing Group, 2005)

= July–September =

July 28 – Battle of Kirkhbulakh: The Kingdom of Kartli defeats a large army of the Tabriz Khanate, under Erekle II.
July 31 – Fire destroys 1,000 houses in Stockholm.
August 13 – The Academy and College of Philadelphia, predecessor to the private University of Pennsylvania, opens its doors, with Benjamin Franklin as president.
September 13 – Kalvária Banská Štiavnica in the Kingdom of Hungary is completed.

= October–December =

October 22 – William V, Prince of Orange, the three-year-old son of the late William IV, becomes the last Stadtholder of the Dutch Republic. During his minority, his mother, Princess Anne, acts as regent until her death in 1759. Upon becoming of age in 1766, he will have a corrupt reign as the Republic's head of state until the office is abolished on February 23, 1785.
October 27 – The Hōreki period begins in Japan.
November 14 – The 50-day long siege of the British fort of Trichinopoly (now Tiruchirappalli) in southern India is broken when the defenders use musket fire to force a stampede of the elephants of the French-backed troops of Chanda Sahib.Micheal Clodfelter, ed., Warfare and Armed Conflicts: A Statistical Encyclopedia of Casualty and Other Figures, 1492–2015 (McFarland, 2017) p110
November 17
Future United States President George Washington becomes seriously ill with smallpox while he and his older brother Lawrence are visiting the island of Barbados during an epidemic Elizabeth A. Fenn, Pox Americana: The Great Smallpox Epidemic of 1775-82 (Macmillan, 2002) p14 Washington, 19 years old, survives the virus but is bedridden for almost a month.
The Pima Revolt begins in the area that now includes the Mexican state of Sonora and the U.S. state of Arizona, as Pima Indian leader Luis Oacpicagigua carries out the massacre of 18 Spanish settlers at Oacpicagigua's home in Sáric. The rebellion, which takes the lives of more than 100 Spaniards, is ended on March 18 after Governor Diego Ortiz Parilla permits the rebels to surrender for imprisonment.Thomas E. Sheridan, Empire of Sand: The Seri Indians and the Struggle for Spanish Sonora, 1645-1803 (University of Arizona Press, 1999) p178
November 26 – Adolf Frederick is formally crowned as the King of Sweden. The coronation ceremony takes place almost eight months after he assumed the throne.
November 29 – The Cherokee nation signs a treaty with British colonial authorities at the close of the two-week Charlestown Conference in Charleston, South Carolina, with Governor James Glen signing an agreement with Cherokee war chiefs led by the "Old Skiagunsta" of Keowee, the Raven of Hiwasee, Old Caesar of Chatuga and Kittagusta of Joree.David H. Corkran, The Cherokee Frontier: Conflict and Survival, 1740–62 (University of Oklahoma Press, 2016) pp32-33
December 3 – Battle of Arnee in India (Second Carnatic War): A British East India Company–led force under Robert Clive defeats and routs a much larger Franco-Indian army, under the command of Raza Sahib, at Arni.
December 14 – The Theresian Military Academy is founded in Wiener Neustadt, Austria.

= Date unknown =

In the University of Glasgow (Scotland):
Adam Smith is appointed professor of logic.
The Medical School is founded.
Ferdinando Galiani publishes the first modern economic analysis, Della Moneta.
Swedish naturalist Carl Linnaeus publishes his Philosophia Botanica, the first textbook of descriptive systematic botanical taxonomy, and the first appearance of his binomial nomenclature.
The Maria Theresa thaler is minted; it becomes an international currency.{{cite book|first=Clare|last=Semple|title=A Silver Legend: the story of the Maria Theresa Thaler|location=Manchester|publisher=Barzan Publishing|year=2006|isbn=0-9549701-0-1}}
1751–1775 – 13 per cent of appointees to audiencias in the Spanish Empire are Creoles.