Events January–March February 2 – Pope Clement XIII dies, the night before preparing an order to dissolve the Jesuits. February 17 – The British House of Commons votes to not allow MP John Wilkes to take his seat after he wins a by-election. March 4 – Mozart departs Italy, after the last of his three tours there. March 16 – Louis Antoine de Bougainville returns to Saint-Malo, following a three-year circumnavigation of the world with the ships La Boudeuse and Étoile, with the loss of only seven out of 330 men; among the members of the expedition is Jeanne Baré, the first woman known to have circumnavigated the globe. She returns to France some time after Bougainville and his ships. April–June April 13 – James Cook arrives in Tahiti, on the ship HM Bark Endeavour, preparing for the 1769 Transit of Venus observed from Tahiti on June 3. After the voyage, the data is found to be inaccurate in determining the distance between the Sun and Earth. April 29 – Scottish inventor James Watt is granted a British patent for "A method of lessening the consumption of steam in steam engines" – the separate condenser, a key improvement (first devised by Watt in 1765) and the basis for the Watt steam engine which stimulates the Industrial Revolution. May 9 – France conquers Corsica. May 14 – Charles III of Spain sends Spanish missionaries, who found California missions in San Diego, Santa Barbara, San Francisco and Monterey, and begin the settlement of California. May 19 – Cardinal Giovanni Vincenzo Antonio Ganganelli is elected as the 249th pope, succeeding the late Clement XIII and choosing to take the regnal name of Pope Clement XIV. June 3 – A transit of Venus is followed five hours later by a total solar eclipse, the shortest such interval in historical times. The transit is viewed by King George III of Great Britain, at the Kew Observatory. June 7 – Frontiersman Daniel Boone first begins to explore modern-day Kentucky. July–September July 3 – Richard Arkwright patents a spinning frame in England, able to weave fabric mechanically. July 16 – Father Junípero Serra founds Mission San Diego de Alcalá, the first of the 21 California missions. July 20 – Recently appointed as the Governor of Spanish Louisiana, Irish-born soldier of fortune Alejandro O'Reilly sails into the French fort of La Balize with 21 Spanish ships, along with