January 8 – Frederick, the eldest son of King George II of Great Britain is made Prince of Wales at the age of 21, a few months after he comes to Britain for the first time after growing up in Hanover. For 23 years, Frederick is heir apparent to the British throne, but dies of a lung injury in 1751.
February 24 (February 13 O.S.) – In the city of Resht in Persia, Russian and Afghani leaders sign a peace treaty, with General Vasily Levashev for Russia and Muhammad Saidal Khan for Afghanistan.[2]
February 25 – James Oglethorpe, a member of the British House of Commons, begins service as the Chairman of the Gaols Committee to investigate the conditions of Britain's jails and prisons after the death in Fleet Prison of his friend, Robert Castell. The Oglethorpe Committee's report propels Oglethorpe to fame and leads to the beginning of British penal reforms.[3]
March 5 – Abdallah of Morocco becomes the new Sultan of Morocco upon the death of his half-brother, Abu'l Abbas Ahmad. Sultan Abdallah reigns for five years before being deposed for the first time, then returns to the throne five more times between 1736 and 1757.
March 19 – John of Nepomuk (Jan Nepomucký) of Bohemia is canonized by Pope Benedict XIII more than 300 years after being tortured and drowned in 1393 by order of King Wenceslaus IV; John becomes patron saint of Roman Catholics in the Czech Republic.
April 3 – Benjamin Franklin, aged 23, writes the essay "A Modest Enquiry Into the Nature and Necessity of Paper Currency" and later applies the economic principles to backing of paper money used in the United States.[4]
April 26 – For the first time in its history, the British House of Commons is adjourned for lack of a quorum. On January 5, 1640, it had first fixed the number of members necessary — 40 — for parliamentary business to be transacted.[6]
May 8 – A fire breaks out inside the fully walled town of Haiger within the Holy Roman Empire (in the modern-day state of Hesse in Germany) and destroys all the buildings.
May 12 – Six English pirates, including Mary Critchett, seize control of the sloop John and Elizabeth while being transported to America to complete their criminal sentences. They overpower their captors but are later captured in Chesapeake Bay by HMS Shoreham and hanged in August.
June 8 – The Botanic Gardens of Pamplemousses, one of the most popular tourist attractions on the island republic of Mauritius, are started by Pierre Barmond, who sets aside thousands of acres for the purpose of preservation of the islands flora. The gardens come to occupy 97 square miles or 251 square kilometers.
October 5 – After seven days of battle, the Persians under Nader Khan Afshar make a daring attack through the center of the Emir Ashraf's battalions, killing 12,000 of the Afghans and forcing the remainder to flee, bringing an end to the Battle of Damghan.
^Gilbert R. Cruz, Let There Be Towns: Spanish Municipal Origins in the American Southwest, 1610-1810 (Texas A&M University Press, 1996) p60
^Martin Sicker, The Islamic World in Decline: From the Treaty of Karlowitz to the Disintegration of the Ottoman Empire (Greenwood Press, 2001) p57
^Thomas D. Wilson, The Oglethorpe Plan: Enlightenment Design in Savannah and Beyond (University of Virginia Press, 2015)
^Lester C. Olson, Benjamin Franklin's Vision of American Community: A Study in Rhetorical Iconology (University of South Carolina Press, 2004) p117
^Mark A. Peters, Compositional Choices and Meaning in the Vocal Music of J. S. Bach (Lexington Books, 2018) p168
^Thomas Francis Moran, The Theory and Practice of the English Government (Longmans, Green, and Company, 1903) pp 264-265
^"Regents (England and France)", in The Manual of Dates, A Dictionary of Reference to All the Most Important Events in the History of Mankind to be Found in Authentic Records, by George H. Townsend (Frederick Warne & Company, 1877) p805