Spanish missionary families on the banks of the San Saba River near present day Menard, Texas. Less than two years later, the European settlement is destroyed by the native Comanche Indians who live in the area. April 29 – Inside a house at Stratford-upon-Avon in England, a bricklayer, identified only as "Mosely", discovers the testament of John Shakespeare, father of William Shakespeare, more than 150 years after the elder's death. The finding, done while Mosely is re-tiling the roof of what is now called Shakespeare's Birthplace, starts "what remains one of the most controversial topics in Shakespeare studies" because of disagreements over its authenticity. May 1 – France and Austria sign a second treaty of alliance at Versailles, committing France to sending an additional 105,000 troops to the war against Prussia, and to pay expenses to Austria at the rate of 12 million florins annually. May 6 – Seven Years' War – Battle of Prague: Frederick the Great defeats an Austrian army, and begins to besiege the city. June 18 – Seven Years' War – Battle of Kolín: Frederick is defeated by an Austrian army under Marshal Daun, forcing him to evacuate Bohemia. June 23 – Battle of Plassey: 3,000 troops serving with the British East India Company under Robert Clive defeat a 50,000 strong Indian army under Siraj ud-Daulah through treachery with the help of Mir Jafar, at Plassey, India, marking the first victory of the East India Company over India. June 25 – The Duke of Devonshire resigns as Prime Minister of Great Britain after being unable to conduct governmental affairs without William Pitt. June 25 – The 1755 rebellion against the Chinese Empire by Mongolian Oirat Prince Amursana is met by a Chinese army of 10,000 attackers against Amursana's 2,500 man force at their capital at Bor Tal. The rebels are able to hold out for 17 days before being routed. July–September July 2 – The Duke of Newcastle is asked to form a new government and fills the office of Prime Minister of Great Britain, after his forced resignation eight months earlier. July 17 – Amursana's Mongolian rebellion against the Chinese Empire is crushed after a battle of 17 days, and the survivors flee to Russia, where Amursana unsuccessfully seeks Russian aid. July 26 – Seven Years' War – Battle of Hastenbeck: An Anglo-Hanoverian army under the Duke of Cumberland is defeated by the French under