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1746 (MDCCXLVI) was a common year starting on Saturday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1746th year of the Common Era (CE) and Anno Domini (AD) designations, the 746th year of the 2nd millennium, the 46th year of the 18th century, and the 7th year of the 1740s decade. As of the start of 1746, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.
|Ab urbe condita||2499|
|Balinese saka calendar||1667–1668|
|British Regnal year||19 Geo. 2 – 20 Geo. 2|
|Chinese calendar||乙丑年 (Wood Ox)|
4442 or 4382
— to —
丙寅年 (Fire Tiger)
4443 or 4383
|- Vikram Samvat||1802–1803|
|- Shaka Samvat||1667–1668|
|- Kali Yuga||4846–4847|
|Japanese calendar||Enkyō 3|
|Julian calendar||Gregorian minus 11 days|
|Minguo calendar||166 before ROC|
|Thai solar calendar||2288–2289|
1872 or 1491 or 719
— to —
1873 or 1492 or 720
|Wikimedia Commons has media related to 1746.|
- January 8 – The Young Pretender Charles Edward Stuart occupies Stirling.
- January 17 – Battle of Falkirk Muir: British Government forces are defeated by Jacobite forces.
- February 1 – Jagat Singh II, the ruler of the Mewar Kingdom, inaugurates his Lake Palace on the island of Jag Niwar in Lake Pichola, in what is now the state of Rajasthan in northwest India 
- February 19 – Brussels, at the time part of the Austrian Netherlands, surrenders to France's Marshal Maurice de Saxe .
- February 19 – Prince William, Duke of Cumberland, issues a proclamation offering an amnesty to participants in the Jacobite rebellion, directing them that they can avoid punishment if they turn their weapons in to their local Presbyterian church 
- March 10 – Zakariya Khan Bahadur, the Mughal Empire's viceroy administering Lahore (in what is now Pakistan), orders the massacre of the city's Sikh people 
- April 16 – The Battle of Culloden in Scotland, the final pitched battle fought on British soil, brings an end to the Jacobite rising of 1745.
- May 27 – The three Scottish leaders of the Jacobite uprising— the Earl of Kilmarnock, Lord Balmerino, and Lord Lovat— are imprisoned for treason in the Tower of London, where they are held by the British government until their execution. Boyd and Balmerino are beheaded the following year, while Fraser is not put to death until 1747 .
- June 16 – Battle of Piacenza: Austrian forces defeat French and Spanish troops.
- June 18 – Samuel Johnson is contracted to write his A Dictionary of the English Language.
- June 29 – Catherine of Ricci (b. 1522) is canonized.
- July 3 – Father Joachim Royo, the last of the five Spanish Catholic missionaries to Fuzhou in China, is captured by Chinese authorities after having spent three decades defying orders to not evangelize  He and three fellow priests, are put to death two years later, on October 28, 1748.
- July 9 – King Philip V of Spain dies after a reign of more than 45 years. His oldest living son succeeds him as King Ferdinand VI
- August 1 – The wearing of the kilt is banned in Scotland by the Dress Act (Note: the actual effective date of the Dress Act was August 1, 1747, not 1746).
- August 18 – Two of the four rebellious Scottish lords, Earl of Kilmarnock and Lord Balmerinoch, are beheaded in the Tower of London (Lord Lovat is executed in 1747).
- September 20 – Bonnie Prince Charlie flees to the Isle of Skye from Arisaig, after the unsuccessful Jacobite rising of 1745, marked by the Prince's Cairn on the banks of Loch nan Uamh.
- October 11 – War of the Austrian Succession – Battle of Rocoux: The French army defeat the allied Austrian, British, Hanoveran and Dutch army in Rocourt.
- October 22 – The College of New Jersey is founded in Princetown, New Jersey. In 1896, it is renamed Princeton University.
- October 28 – An earthquake demolishes Lima and Callao, in Peru.
- November 4 – Anwaruddin Khan, the Nawab of the Arcot State in South India, is driven back by the Captain Louis Paradis of the French Army after he and 10,000 soldiers attempt to drive the French back out of Madras .
- December 5 – Rallied by a teenage boy, Giovanni Battista Perasso (nicknamed Balilla"), the citizens of the Republic of Genoa rise up against the Austrian occupying troops and the collaborator Military Governor, the Genoese Marquis of Botta d'Adorno. By December 11, the Austrian soldiers are driven from the Italian city-state, but return a few months later 
- Eva Ekeblad reports her discovery, of how to make flour and alcohol from potatoes, to the Royal Swedish Academy of Sciences.
- The town of Vilkovo (Odes'ka oblast', Ukraine) is founded.
- Gabriel Johnston, British Governor of the Province of North Carolina, moves to New Bern, the province's largest. New Bern replaces Edenton as the capital of North Carolina until Raleigh is established in 1792).
- Charles Batteux's Les beaux-arts réduits à un même principe is published in Paris, putting forward for the first time the idea of "les beaux arts": "the fine arts".
- January 4 – Benjamin Rush, a Founding Father of the United States (d. 1813)
- January 12 – Johann Heinrich Pestalozzi, Swiss pedagogue (d. 1827)
- January 24 – King Gustav III of Sweden (d. 1792)
- February 4 – Tadeusz Kościuszko, Polish general and nationalist (d. 1817)
- February 5 – Charles Cotesworth Pinckney, American politician and soldier (d. 1825)
- March 3 – Izabela Czartoryska, Polish magnate princess (d. 1835)
- March 7 – André Michaux, French botanist (d. 1802)
- March 30 – Francisco Goya, Spanish painter (d. 1828)
- April 4 – John Andrews, American clergyman, Provost of the University of Pennsylvania (d. 1813)
- June 3 – James Hook, English composer
- July 3 – Henry Grattan, Irish politician (d. 1820)
- July 16 – Giuseppe Piazzi, Italian astronomer (d. 1826)
- July 23 – Bernardo de Gálvez, Spanish military leader, aids the United States in its quest for independence in the American Revolutionary War (d. 1786)
- July 30 – Louise du Pierry, French astronomer (d. 1807)
- September 28 – Sir William Jones, English philologist (d. 1794)
- October 7 – William Billings, American composer (d. 1800)
- November 27 – Robert R. Livingston, American signer of the Declaration of Independence (d. 1813)
- December 29 – Saverio Cassar, Gozitan priest and rebel leader (d. 1805)
- date unknown
- February 4 – Robert Blair, Scottish poet and cleric (b. 1699)
- February 8 – Anton Josef Kirchweger, German writer
- February 26 – Thomas Watson, 3rd Earl of Rockingham, British politician (b. 1715)
- February 28 – Hermann von der Hardt, German historian (b. 1660)
- March 18 – Grand Duchess Anna Leopoldovna of Russia, regent of Russia (b. 1718)
- March 20 – Nicolas de Largillière, French painter (b. 1656)
- April 29 – William Flower, 1st Baron Castle Durrow, Irish politician (b. 1685)
- May 6 – William Tennent, Scottish-American theologian (b. 1673)
- May 13 – James Drummond, 3rd Duke of Perth, British noble (b. 1713)
- May 22 – Thomas Southerne, Irish playwright (b. 1660)
- June 14 – Colin Maclaurin, Scottish mathematician (b. 1698)
- July 2 – Thomas Baker, English antiquarian (b. 1656)
- July 9 – King Philip V of Spain (b. 1683)
- July 28 – John Peter Zenger, American printer, whose court case advanced freedom of the press in the American colonies (b. 1697)
- July 30 – Francesco Trevisani, Italian painter (b. 1656)
- August 6 – Christian VI, King of Denmark and Norway (b. 1699)
- August 8 – Francis Hutcheson, Irish philosopher (b. 1694)
- September 25 – St George Gore-St George, Irish politician (b. 1722)
- October 2 – Josiah Burchett, English Secretary of the Admiralty (b. c. 1666)
- November 14 – Georg Steller, German naturalist (b. 1709)
- December 6 – Lady Grizel Baillie, Scottish poet (b. 1665)
- December 8 – Charles Radclyffe, British politician and rebel, by beheading after being convicted of treason against the Crown (b. 1693)
- Cheryl Bentley, A Guide to the Palace Hotels of India (Hunter Publishing, 2011)
- George Edmundson, A History of Holland (Ozymandias Press, 2018)
- Geoffrey Plank, Rebellion and Savagery: The Jacobite Rising of 1745 and the British Empire (University of Pennsylvania Press, 2015) pp61-62
- Harish Jain, The Making of Punjab (Unistar Books, 2003) p193
- Richard Davey, The Tower of London (E. P. Dutton, 1910) pp333-334
- Anthony E. Clark, China's Saints: Catholic Martyrdom During the Qing (1644–1911) (Lexington Books, 2011) p73
- Sir William W. Hunter, The History of Nations: India (John D. Morris, 1906) p179
- "Eighteenth Century", in Warfare and Armed Conflicts: A Statistical Encyclopedia of Casualty and Other Figures, 1492-2015, ed. by Micheal Clodfelter (McFarland, 2017) p77