Events January–March January 6 – Treaty of Constantinople: The Ottoman Empire agrees to Russia's annexation of the Crimea. January 14 – The Congress of the United States ratifies the Treaty of Paris with Great Britain to end the American Revolution, with the signature of President of Congress Thomas Mifflin. January 15 – Henry Cavendish's paper to the Royal Society of London, Experiments on Air, reveals the composition of water. February 24 – The Captivity of Mangalorean Catholics at Seringapatam begins. February 28 – John Wesley ordains ministers for the Methodist Church in the United States. March 1 – The Confederation Congress accepts Virginia's cession of all rights to the Northwest Territory and to Kentucky. March 22 – The Emerald Buddha is installed at the Wat Phra Kaew, on the grounds of the Grand Palace in Bangkok. April–June April 23 – The Congress of the Confederation passes the Ordinance of Governance to set guidelines for adding to the original 13 states in the United States of America. April 27 – The Marriage of Figaro, written by playwright Pierre Beaumarchais as a sequel to The Barber of Seville, premieres at the Comédie-Française in Paris. May 12 – The Treaty of Paris, signed on September 3 the previous year, comes into effect. May 20 – A treaty is signed in Paris between the Kingdom of Great Britain and the Dutch Republic, formally ending the Fourth Anglo-Dutch War. June 4 – Élisabeth Thible is the first woman to ascend in a hot-air balloon, at Lyon, France. July–September July 9 – The Bank of New York opens as the first in New York state and continues to operate under that name for almost 223 years until being acquired by Mellon Financial and becoming BNY Mellon. July 29 – The United States and the Kingdom of France sign a convention for establishing diplomatic relations and "determining the functions and prerogatives of their respective consuls, vice consuls, agents, and commissaries". August 13 – The East India Company Act, sponsored by British Prime Minister William Pitt is given royal assent. August 15 – Cardinal de Rohan is called before the French court to account for his actions, in the Affair of the Diamond Necklace. August 16 – Britain creates the colony of New Brunswick. September 19 – In France, the Robert brothers (Anne-Jean Robert and Nicolas-Louis Robert) and a Mr. Collin-Hullin (whose first name is lost to history)