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|Centuries:||17th century – 18th century – 19th century|
|Decades:||1710s 1720s 1730s – 1740s – 1750s 1760s 1770s|
|Years:||1745 1746 1747 – 1748 – 1749 1750 1751|
|1748 by topic:|
|Arts and Sciences|
|Archaeology – Architecture – Art – Literature (Poetry) – Music – Science|
|Canada –Denmark – France – Great Britain – Ireland – Norway – Scotland –Sweden –|
|Lists of leaders|
|Colonial governors – State leaders|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Ab urbe condita||2501|
|British Regnal year||21 Geo. 2 – 22 Geo. 2|
|Chinese calendar||丁卯年 (Fire Rabbit)
4444 or 4384
— to —
戊辰年 (Earth Dragon)
4445 or 4385
|- Vikram Samvat||1804–1805|
|- Shaka Samvat||1670–1671|
|- Kali Yuga||4849–4850|
|Japanese calendar||Enkyō 5 / Kan'en 1
|Julian calendar||Gregorian minus 11 days|
|Minguo calendar||164 before ROC
|Thai solar calendar||2290–2291|
|Wikimedia Commons has media related to 1748.|
1748 (MDCCXLVIII) was a leap year starting on Monday (dominical letter GF) of the Gregorian calendar and a leap year starting on Friday (dominical letter CB) of the Julian calendar, the 1748th year of the Common Era (CE) and Anno Domini (AD) designations, the 748th year of the 2nd millennium, the 48th year of the 18th century, and the 9th year of the 1740s decade. As of the start of 1748, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1918.
- January 12 – Ahmad Shah Durrani captures Lahore.
- March 11 – In battle near Manupur (15 km northwest of Sirhind), Mughal forces under Prince Ahmad Shah Bahadur are victorious against Ahmad Shah Durrani.
- March 28 – A fire in the City of London causes over a million pounds worth of damage.
- April – Maastricht is conquered by Maurice de Saxe.
- April 24 – War of the Austrian Succession: A congress assembles at Aix-la-Chapelle (Aachen) with the intent to conclude the war.
- August – The Camberwell Beauty butterfly is named after specimens found at Camberwell in London.
- September 24 – Shah Rukh becomes ruler of Greater Khorasan.
- October 18 – War of the Austrian Succession: The Treaty of Aix-la-Chapelle is signed to end the war. Great Britain obtains Madras, in India, from France, in exchange for the fortress of Louisbourg in Canada.
- Leonhard Euler publishes Introductio in analysin infinitorum, an introduction to pure analytical mathematics, in Berlin.
- Montesquieu publishes De l'esprit des lois.
- Friedrich Gottlieb Klopstock publishes the first three cantos of his epic poem Der Messias in hexameters (anonymously) in Bremer Beiträge (Leipzig).
- Adam Smith begins to deliver public lectures in Edinburgh.
- The Royal Swedish Academy of Sciences makes Eva Ekeblad its first female member.
- Construction of the Sveaborg fortification begins near Helsinki.
- The ruins of Pompeii are rediscovered.
- Louis XV of France breaks his promise to eliminate the income tax after the Treaty of Aix-la-Chapelle ends the war. The Parlement of Paris protests so he reduces the tax to 5%.
- January 19 – Antonio Carnicero, Spanish painter (d. 1814)
- February 2 – Adam Weishaupt, German founder of the Order of the Illuminati (d. 1811)
- February 9 – Luther Martin, American politician (d. 1826)
- February 15 – Jeremy Bentham, English philosopher and writer (d. 1832)
- February 22 – Timothy Dexter, American businessman (d. 1806)
- February 27 – Anders Sparrman, Swedish naturalist (d. 1820)
- March 5
- March 8 – William V, Prince of Orange (d. 1806)
- March 10 – John Playfair, Scottish scientist (d. 1819)
- April 12 – Antoine Laurent de Jussieu, French botanist (d. 1836)
- April 13 – Joseph Bramah, English inventor and locksmith (d. 1814)
- April 27
- May 3 – Emmanuel Joseph Sieyès, French cleric and constitutional theorist (d. 1836)
- May 7 – Olympe de Gouges, French playwright (d. 1793)
- May 10 – Louis Jean Pierre Vieillot, French ornithologist (d. 1831)
- May 28 – Frederick Howard, 5th Earl of Carlisle (d. 1825)
- June 8 – William Few, American politician (d. 1828)
- June 30 – Jacques Dominique, comte de Cassini, French astronomer (d. 1845)
- August 8 – Johann Friedrich Gmelin, German naturalist (d. 1804)
- August 30 – Jacques-Louis David, French painter (d. 1825)
- October 7 – King Charles XIII of Sweden (Charles II of Norway) (d. 1818)
- October 13 – Johann Dominicus Fiorillo, German painter and art historian (d. 1821)
- October 19 – Martha Wayles Skelton Jefferson, wife of Thomas Jefferson (d. 1782)
- November 11 – King Charles IV of Spain (d. 1819)
- November 13 – William Chalmers, Swedish merchant (d. 1811)
- December 9 – Claude Louis Berthollet, French chemist (d. 1822)
- December 14 – William Cavendish, 5th Duke of Devonshire (d. 1811)
- date unknown
- January 1 – Johann Bernoulli, Swiss mathematician (b. 1667)
- January 16 – Arnold Drakenborch, Dutch classical scholar (b. 1684)
- February 18 – Otto Ferdinand von Abensberg und Traun, Austrian field marshal (b. 1677)
- March 14 – George Wade, British military leader (b. 1673)
- March 23 – Johann Gottfried Walther, German music theorist, organist, and composer (b. 1684)
- April 12 – William Kent, English architect (b. c. 1685)
- May 12 – Thomas Lowndes, British astronomer (b. 1692)
- August 27 – James Thomson, Scottish poet (b. 1700)
- September 6 – Edmund Gibson, English jurist (b. 1669)
- September 10 – Mother Ignacia del Espiritu Santo, foundress (b. 1663)
- September 12 – Anne Bracegirdle, English actress (b. c. 1671)
- September 21 – John Balguy, English philosopher (b. 1686)
- November 25 – Isaac Watts, English hymn writer (b. 1674)
- December 2 – Charles Seymour, 6th Duke of Somerset, English politician (b. 1662)
- "Ahmad Shah Abdali's invasions". Retrieved 2011-11-02.
- H. Parker Willis (December 1895). "Income Taxation in France". Journal of Political Economy. The University of Chicago Press. 4 (1): 37–53. doi:10.1086/250324.
The war of the Austrian Succession for the third time threw the treasury back upon the hated fiscal resource in October of 1741, when the income tax was reintroduced accompanied by a royal promise to the effect that upon the close of the war this means of raising revenue should once for all be done away with.