March 24 – Spain acquires control of what are now called the Falkland Islands from France, compensating French Admiral Louis Antoine de Bougainville for the money spent on the construction of the settlement at Fort Saint Louis. The islands, named les Îles Malouines by the French, are renamed las Islas Malvinas by the Spanish, and Fort Saint Louis is renamed as Puerto Soledad. In 1816, Argentina declares independence from Spain and takes the Malvinas; and in 1833, Britain's Royal Navy captures the islands from the Argentines and renames them the Falklands, and renames Puerto Soledad as Port Louis.
March 31 – Enforcement begins of the February 27 decree by King Carlos III of Spain, ordering the suppression of the Society of Jesus (the Jesuits) in the colonies in Spanish America. Over the next few months approximately 2,200 Jesuit priests and missionaries are deported.
May 16 – Ahmed al-Ghazzal, the emissary from Sultan Mohammed ben Abdallah of Morocco to the Spanish Empire, makes a triumphant return to Marrakesh with almost 300 Muslims who had been held captive in Spain, as well as sacred Islamic manuscripts that had been seized by the Spanish in 1612. The negotiation of the release had started with al-Ghazzal's meeting with Spain's King Carlos III on August 21, 1766.
May 31 – The Genoese island of Capraia is conquered by the Corsican Army after a ten-week campaign.
October 9 – Surveying of the "Mason-Dixon line", which will later become the traditional division between the northern and southern states of the United States, is completed by Charles Mason and Jeremiah Dixon after four years, initially to settle a boundary dispute between the colonies of Delaware, Pennsylvania and Maryland. The survey party is halted at Dunkard Creek when a chief of the Mohawk Indians tells them that they are in Native American territory and that the Mohawks guiding the property "would not proceed one step further Westward"; the line, slightly west the 80th meridian west, is now part of the boundary between Pennsylvania and West Virginia.
October 17 – epan Mali, nicknamed "Stephen the Little", is selected as the legislature at Podgorica to be the Tsar of Montenegro, representing "a short but an important break in the succession of the Petrovic dynasty".
October 24 – In France, several anti-Jewish regulations in place since October 12, 1661, are repealed by the King's Council that advises Louis XV of France. While Jewish merchants are still prohibited from owning their own retail stores, they are allowed to sell merchandise on credit to gentile merchants at legal interest rates, to legally enforce debts, and to sell jewelry.
October 28 – A boycott, of 38 types of goods  imported from England, is resolved by Boston merchants meeting at Faneuil Hall as a response to the taxes imposed by Great Britain, and one of the first "Buy American" campaigns is started in order to encourage the purchase of items manufactured and produced in the 13 colonies. Copies of the agreement, to be signed by participating merchants, are circulated beyond the Province of Massachusetts Bay to other colonial provinces in New England.
November 14 – The Timucua Indian tribe, native to central Florida, becomes extinct with the death of the last speaker of the Timucuan language, Juan Alonso Cabale. Eight years earlier, the last 95 surviving Timucuan people had been forcibly relocated by the Spanish colonial government to Guanabacoa, a township in western Cuba.
November 19 – Under the coercion of Russian occupation armies, the legislature of Poland follows the wishes of Russian Minister Nicholas Repnin and agrees to allow the kingdom to become a Russian protectorate.
November 20 – The new American Colonies Act 1766, commonly called the "Declaratory Act", goes into effect, virtually providing for Great Britain's Parliament to govern lawmaking in 13 colonies and exacerbating tensions there.
November 29 – The Archduchess Maria Theresa of Austria, in her capacity as Queen of Hungary, issues an edict against the Romani people (commonly called the gypsies), prohibiting them from marrying and calling for gypsy children to be taken away by the government so that they can be brought up by Christian families, a proclamation that "produced little or no effect in comparison with the trouble involved". The World's History: A Survey of Man's Record, Volume V: South-Eastern and Eastern Europe edited by H. F. Helmolt (William Heinemann, 1907) p423
December 29 – Oconostota and Attakullakulla arrive at Johnstown, New York where they, along with leaders of the Six Nations of the Iroquois Confederacy (the Mohawk, Onondaga, Oneida, Cayuga, Seneca and Tuscarora tribal nations) meet with Sir William Johnson to begin peace negotiations with the British Empire.
^Fred Anderson, Crucible of War: The Seven Years' War and the Fate of Empire in British North America, 1754-1766 (Vintage Books, 2000) p770
^Allan J. Kuethe and Kenneth J. Andrien, The Spanish Atlantic World in the Eighteenth Century: War and the Bourbon Reforms, 1713-1796 (Cambridge University Press, 2014) p267
^Ernest Rhys, ed., Memoirs of the Life and Writings of Benjamin Franklin (J.M. Dent & Sons, Ltd., 1916) p240
^A. P. Nasatir, ed., Before Lewis and Clark: Documents Illustrating the History of the Missouri, 1785-1804 (University of Oklahoma Press, 1952) p65
^G. Barnett Smith, The Romance of the South Pole: Antarctic Voyages and Explorations (Thomas Nelson and Sons, 1900) p16
^Enrique Dussel, A History of the Church in Latin America: Colonialism to Liberation (Wm. B. Eerdmans Publishing, 1981) p60
^"Legacy or Overhang: Historical Memory in Myanmar-Thai Relations", by Maung Aung Myoe, in Bilateral Legacies in East and Southeast Asia (Institute of Southeast Asian Studies, 2015) p113
^The Papers of Sir William Johnson, ed. by James Sullivan (University of the State of New York, 1921) p xxx
^Abdulrahman al-Ruwaishan translator and Travis Landry, editor, The Fruits of the Struggle in Diplomacy and War: Moroccan Ambassador al-Ghazzal and His Diplomatic Retinue in Eighteenth-Century Andalusia (Bucknell University Press, 2016) pp9-10
^Laneyrie-Dagen, Nadeije, ed. (1996). Les Grands Explorateurs. Larousse. p. 181. ISBN2-03-505305-6.