March 25 – A fire in the City of London starts at Change Alley in Cornhill and continues for two days. Dr. Samuel Johnson later writes, "The conflagration of a city, with all its turmoil and concominant distress, is one of the most dreadful spectacles which this world can afford to human eyes". Another history notes more than a century later that "the fire led to a great increase in the practice of fire insurance", after the blaze causes more than £1,000,000 worth of damage.
May 10 – As word arrives that the Dutch Republic has agreed to return control of Maastricht to France, the French Army's leader of the siege, Count Löwendal, marches through the opened city gates with his troops and accepts its surrender.
A fire in Moscow kills 482 people and destroys 5,000 buildings.
José de Escandón is designated by the Viceroy of New Spain as the first Royal Governor of Nuevo Santander. The area covered by the Viceroyalty's new province is now part of the Mexican state of Tamaulipas, and the part of the U.S. state of Texas south of the Guadalupe River (including San Antonio and Corpus Christi).
July 29 – Royal Navy Admiral Edward Boscawen arrives at the coast of southeastern India with 28 ships, to defend Fort St. David from attacks by armies of French India. Historian Francis Grose later writes that Boscawen had brought the largest fleet "ever seen together in the East Indies", with nine ships of the line, two frigates, a sloop, and two tenders"  and 14 ships of the British East India Company. Altogether, Boscaven has 3,580 sailors under his command. He then launches an offensive to destroy the French fort at Pondicherry and drive France from the subcontinent.
^ abc"Fires, Great", in The Insurance Cyclopeadia: Being an Historical Treasury of Events and Circumstances Connected with the Origin and Progress of Insurance, Cornelius Walford, ed. (C. and E. Layton, 1876) p51
^Elizabeth A. H. John, Storms Brewed in Other Men's Worlds: The Confrontation of Indians, Spanish, and French in the Southwest, 1540-1795 (University of Oklahoma Press, 1996) pp282-283
^Francis Henry Skrine, Fontenoy and Great Britain's Share in the War of the Austrian Succession, 1741-1748 (W. Blackwood and Sons, 1906) pp346-347
^Charles Rathbone Low, History of the Indian Navy: (1613-1863) (Richard Bentley and Son, 1877) p140
^Henry Eyster Jacobs, A History of the Evangelical Lutheran Church in the United States (The Christian Literature Co., 1893 p243
Paul Peucker, A Time of Sifting: Mystical Marriage and the Crisis of Moravian Piety in the Eighteenth Century (Penn State Press, 2015)
^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.