Events January–March January 1 – The Verendrye brothers, probably Louis-Joseph and François de La Vérendrye, become the first white people to see the Rocky Mountains from the eastern side (the Spanish conquistadors had seen the Rockies from the west side). January 8 – King Augustus III of Poland, acting in his capacity as Elector of Saxony, signs an agreement with Austria, pledging help in war in return for part of Silesia to be conveyed to Saxony. January 12 The Verendryes, and two members of the Mandan Indian tribe, reach the foot of the mountains, near the site of what is now Helena, Montana. An earthquake strikes the Philippines January 16 –Cardinal André-Hercule de Fleury turns his effects over to King Louis XV of France, 13 days before his death on January 29. January 23 –With mediation by France, Sweden and Russia begin peace negotiations at Åbo to end the Russo-Swedish War. By August 17, Sweden cedes all of its claims to southern Finland. February 21 – George Frideric Handel's oratorio, Samson, premieres in London. March 2 – A British expeditionary fleet under Sir Charles Knowles is defeated by the Spanish in the Battle of La Guaira. April–June April 1 – Pope Benedict XIV issues a new bull, barring agreements by spouses to not appeal annulments of marriages April 2 – The Verendrye brothers bury a tablet claiming the Great Plains of North America for King Louis XV of France. A schoolgirl in Pierre, South Dakota, unearths the tablet 170 years later on February 16, 1913. April 3 – Prithvi Narayan Shah becomes the new King of the Gorkha Kingdom and begins a campaign to unify the 54 different principalities in the Himalayas under his rule as part of the unification of Nepal April 9 – The Verendrye brothers make the first contact since 1722 between Europeans and the Sioux Indians, whom they refer to as Les Gens de la Fleche Collee ("the people of the sheathed arrow"). April 13 – The British East India Company ship Princess Louisa is wrecked off the coast of Maio Island in the Cape Verde Islands, killing 49 of her 179 crew. April 18 – The trustees of the English Province of Georgia vote to inaugurate public schools in the corporate territory. May 10 – In Austrian victoryAustrian army wins against Bavarian army. May 10 – In New France, Jean-Baptiste Le Moyne de Bienville ends