|Covid-19|January 14 – The US Congress ratifies the Treaty of Paris with Great Britain to end the American Revolutionary War.
March 1 – Jefferson creates a ban slavery in a new territory.
March 2 – Governor George Clinton of New York writes to Congress asking them to declare war against Vermont. Vermont was at that time an unrecognized de-facto independent state claimed by New York. Congress declined to do that.
April 23 – The Land Ordinance of 1784 resolves that the territory ceded to the United States by the Treaty of Paris, or by individual states, and that already purchased or to be purchased from the Indian inhabitants, will be offered for sale by Congress and divided into future states.
September 22 – Russia establishes their first colony in Kodiak, Alaska.
October 22 – Treaty of Fort Stanwix is signed between the United States and Native Americans of the Iroquois League.
November 26 – The Roman Catholic Apostolic Prefecture of the United States is established.
December 25 – The Methodist Episcopal Church, USA is officially formed at the so-called "Christmas Conference" led by Thomas Coke and Francis Asbury.
King Carlos III of the Spanish Empire authorizes land grants in Alta California.
The North Carolina General Assembly incorporates the town of Morgansborough, named for Daniel Morgan. The town is designated as the county seat for Burke County, North Carolina and is subsequently renamed "Morgantown" and later shortened to become Morganton.
The North Carolina General Assembly changes the name of Kingston, North Carolina, originally named for King George III of Great Britain, to Kinston.
Benjamin Franklin tries in vain to persuade the French to alter their clocks in winter to take advantage of the daylight.
Benjamin Franklin invents bifocal spectacles.
Britain receives its first bales of imported American cotton.
Articles of Confederation in effect (1781–1788)
February 5 – William T. Barry, United States Senator from Kentucky from 1814 to 1816 and U.S. Postmaster General from 1829 to 1835. (died 1835)
Zachary Taylor, 12th President of the United States from 1849 till 1850. (died 1850)
Josiah S. Johnston, United States Senator from Louisiana from 1824 till 1833. (died 1833)
Date Unknown – Thomas W. Cobb, United States Senator from Georgia from 1824 till 1828. (died 1830)
June 13 – Henry Middleton, 2nd President of the Continental Congress, signatory of Continental Association (born 1717)
June 26 – Caesar Rodney, lawyer and President of Delaware (born 1728)
December 5 – Phillis Wheatley, first published African-American female poet (born 1753)
1784 in the United States Wikipedia
Events from the year 1784 in the United States.