Year 1742 (MDCCXLII) was a common year starting on Monday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Friday of the 11-day slower Julian calendar).

Events of 1742

January - June

April 13: Handel's Messiah.

• January 24 - Charles VII Albert becomes Holy Roman Emperor.
• February 16 - Spencer Compton, Earl of Wilmington, becomes Prime Minister of Great Britain.
• February 18 - The British attack La Guayra.
• April 13 - George Frideric Handel's oratorio The Messiah is first performed in Dublin, Ireland.
• May 17 - Frederick the Great's army defeats Austrians in Chotusitz; later Austria cedes Silesia to Prussia.
• May 25 - A battle is fought at Sahay.

July - December

• December 2 - The Pennsylvania Journal first appears in print in the United States.

Undated

• Daniel le Pelley succeeds Nicolas le Pelley as Seigneur of Sark.
• The Kingdom of Prussia captures Jihlava.
• Christian Goldbach formulates Goldbach's conjecture.
• Colin Maclaurin publishes his Treatise on Fluxions.
• Anders Celsius proposes the Celsius temperature scale (see 1741).
• James Bradley succeeds Edmond Halley as Astronomer Royal.
• Henry Fielding publishes Joseph Andrews.
• John Carteret, 2nd Lord Carteret becomes Secretary of State for the Northern Department in Great Britain.
• The rigging of the Chippenham by-election causes a political scandal in Great Britain.
• William Pulteney is created as 1st Earl of Bath in Great Britain.
• Robert Walpole is elevated to the peerage and thus moves from the British House of Commons to the House of Lords, effectively ending his reign as Prime Minister of the United Kingdom (see February 16, above).
• The University of Erlangen is founded.
• The Lopukhina Conspiracy arises at the Russian court.
• Molde, Norway becomes a city.
• Construction starts on the Foundling Hospital in London.
• Eisenach, Germany builds its Stadtschloss (city castle).
• In Peru, Juan Santos takes the name Atahualpa II and begins an ill-fated rebellion against the Spanish rule.
• The Afghan tribes unite as a monarchy.
• Charles Jervas's English translation of Don Quixote is published posthumously. Through a printer's error, the translator's name is printed as Charles Jarvis, leading the book to forever be known as the Jarvis translation. It is acclaimed as the most faithful English rendering of the novel made up to that time.
• Spain completes the construction of Fort Matanzas in the Matanzas Inlet, approximately 15 miles south of St. Augustine, Florida.
• Rome decrees that Roman ceremonial practice in Latin (not in Chinese) is to be the law for Chinese missions.

Ongoing events

• War of the Austrian Succession (1740-1748)

Births

• January 8 - Philip Astley, English circus organizer (d. 1814)
• March 10 - Sampson Salter Blowers, American lawyer and jurist (d. 1842)
• April 28 - Henry Dundas, British statesman (d. 1811)
• May 6 - Jean Senebier, Swiss pastor and botanist (d. 1809)
• June 25 - Johann Schweighauser, German classical scholar (d. 1830)
• June 26 - Arthur Middleton, American politician (d. 1787)
• June 28 - William Hooper, American statesman (d. 1790)
• July 21 - John Cleves Symmes, American statesman (d. 1814)
• July 27 - Nathanael Greene, American general (d. 1786)
• September 14 - James Wilson, American politician (d. 1798)
• October 6 - Johan Herman Wessel, Norwegian poet (d. 1785)
• December 9 - Carl Wilhelm Scheele, Swedish chemist (d. 1785)
• December 16 - Gebhard Leberecht von Blücher, Prussian general (d. 1819)
• date unknown
  • George Chalmers, Scottish antiquarian (d. 1825)
  • Francis Nash, American military officer (d. 1777)
• probable - Joseph Brant, Mohawk leader (d. 1807)

See also Category: 1742 births.

Deaths

• January 1 - Peregrine Bertie, 2nd Duke of Ancaster and Kesteven, English statesman (b. 1686)
• January 14 - Edmond Halley, English astronomer (b. 1656)
• February 22 - Charles Rivington, English publisher (b. 1688)
• March 23 - Jean-Baptiste Dubos, French author (b. 1670)
• April 2 - James Douglas, Scottish physician and anatomist (b. 1675)
• April 17 - Arvid Horn, Swedish statesman (b. 1664)
• May 13 - Ludwig IX, Landgrave of Hesse-Darmstadt (b. 1719)
• May 21 - Lars Roberg, Swedish physician (b. 1664)
• May 26 - Pylyp Orlyk, Ukrainian Zaporozhian Cossack starshina, diplomat (b. 1672)
• June 18 - John Aislabie, British politician (b. 1670)
• June 27 - Nathan Bailey, English philologist and lexicographer
• July 4 - Guido Grandi, Italian mathematician (b. 1671)
• July 9 - John Oldmixon, English historian (b. 1673)
• July 12 - Evaristo Abaco, Italian composer (b. 1675)
• July 14 - Richard Bentley, English scholar and critic (b. 1662)
• July 19 - William Somervile, English poet (b. 1675)
• August 25 - Carlos Seixas, Portuguese composer (b. 1704)
• September 22 - Frederic Louis Norden, Danish explorer (b. 1708)
• September 27 - Hugh Boulter, Irish Archbishop of Armagh (b. 1672)
• September 28 - Jean Baptiste Massillon, French bishop (b. 1663)
• November 12 - Friedrich Hoffmann, German physician and chemist (b. 1660)
• November 20 - Melchior de Polignac, French diplomat (b. 1661)
• November 24 - Andrew Bradford, American publisher (b. 1686)
• December 31 - Karl III Philip, Elector Palatine (b. 1661)

See also Category: 1742 deaths.

af:1742 am:1742 ?.?.?. ar:1742 an:1742 ast:1742 az:1742 bn:???? map-bms:1742 be:1742 be-x-old:1742 bh:???? bs:1742 br:1742 bg:1742 ca:1742 cv:1742 cs:1742 co:1742 cy:1742 da:1742 de:1742 et:1742 el:1742 es:1742 eo:1742 eu:1742 fr:1742 fy:1742 ga:1742 gd:1742 gl:1742 ko:1742? hy:1742 hi:1742 hr:1742. io:1742 bpy:???? ???? id:1742 ia:1742 os:1742 is:1742 it:1742 he:1742 jv:1742 ka:1742 sw:1742 ht:1742 (almanak gregoryen) la:1742 lb:1742 lt:1742 m. hu:1742 mk:1742 mi:1742 mr:?.?. ???? ms:1742 nah:1742 nl:1742 new:???? ja:1742? nap:1742 no:1742 nn:1742 nrm:1742 nov:1742 oc:1742 uz:1742 pi:???? nds:1742 pl:1742 pt:1742 ksh:Joohr 1742 ro:1742 ru:1742 ??? sa:???? sq:1742 scn:1742 simple:1742 sk:1742 sl:1742 sr:1742 su:1742 fi:1742 sv:1742 tl:1742 tt:1742 th:?.?. 2285 tr:1742 uk:1742 vec:1742 vo:1742 wa:1742 zh-yue:1742? zh:1742?