city, is completed and opened to maritime traffic. August 3 – Edward Cornwallis, the British Governor of Nova Scotia, is recalled to Britain after being unsuccessful in pressuring Nova Scotia's Acadian population to take an oath of allegiance to the Crown or to face expulsion. His replacement, Peregrine Hopson, is more lenient with the Acadians but is reassigned less than two years later. August 21 – A group of Scottish Presbyterians who had fled to America from Scotland held the first Covenanter communion in the 13 American colonies, meeting in New Kingstown, Pennsylvania. August 25 – The first group of the United Brethren church, commonly called the Moravians, leaves Bethlehem, Pennsylvania on a mission to find of land on which to build "Villages of the Lord" for German emigres to settle upon in America; after a journey, they arrive in Edenton, North Carolina on September 10 and eventually purchase the Wachovia tract, a set of lands in the western North Carolina colony. September 2 of Julian calendar (Wednesday) (September 13 "New Style") Great Britain and the British Empire use the Julian calendar for the last time and adopt the Gregorian calendar, making the next day Thursday, September 14 in the English-speaking world. A newspaper at the time notes the next day that "Altho' we have more than once, for the Information of our Readers, publish'd some Accounts of the Alteration of the Style, which took Place this Day, agreeable to a late Act of Parliament, in all his Majesty's Dominions in Europe, Asia, Africa and America" and notes that "The Supputation of the Year began on the first Day of January last, and for the future the first Day of that Month will be stiled the first Day of every Year in all Accounts whatsoever, which Supputation or Reckoning never took Place before this Year in any Courts of Law until the 25th Day of March", and adds, "This Day, had not this Act passed, would have been the 3rd of September, but is now reckoned the 14th, eleven nominal Days being omitted." October–December October 19 — In his Philadelphia newspaper, the Pennsylvania Gazette, Benjamin Franklin first describes the performance, in Philadelphia of the kite experiment that he had proposed in his 1750 book. Although the original account makes no claim that he was the first to do the experiment (which had been done by other scientists (including Thomas-François Dalibard