March 4 – France is divided into 83 départements, which cut across the former provinces, in an attempt to dislodge regional loyalties based on noble ownership of land.
March 6 – The New York legislature consents to the admission to the Union of a new state, Vermont, formed within the boundaries of New York, contingent upon the successful conclusion of negotiations concerning disputed real-estate claims, and the boundary between the two states.
June 20 – Compromise of 1790: Thomas Jefferson, James Madison, and Alexander Hamilton come to an agreement: Madison agrees to not be "strenuous" in opposition for the assumption of state debts by the federal government; Hamilton agrees to support the capital site being above the Potomac.
July 16 – U.S. President George Washington signs the Residence Act into law, establishing a site along the Potomac River as the District of Columbia and the future site of the capital of the United States. The move comes after the bill is narrowly approved on July 1 by the Senate, 14 to 12, and on July 9 by the House, 32 to 29.  At the same time, plans are made to move the national capital from New York to Philadelphia until the Potomac River site can be completed.
October 7 – Commissioners appointed by the New York legislature announce the successful conclusion of negotiations between New York and Vermont, concerning disputed real-estate claims, and the consent of New York's legislature to the admission to the Union of the state of Vermont as the 14th State (which was formed within what New York claimed as its territory, under an Order in Council, that King George III issued on July 20, 1764).
November 24 – France's Constituent Assembly passes a law requiring all Roman Catholic priests to swear an oath of acceptance of the new French Constitution. 
August 23 – French Revolution: The following universal conscription decree is enacted in France: "The young men shall go to battle and the married men shall forge arms. The women shall make tents and clothes and shall serve in the hospitals; children shall tear rags into lint. The old men will be guided to the public places of the cities to kindle the courage of the young warriors and to preach the unity of the Republic and the hatred of kings."
January 13 – The U.S. Congress enacts a law providing for, effective May 1, 1795, a United States flag of 15 stars and 15 stripes, in recognition of the recent admission of Vermont and Kentucky as the 14th and 15th states.  A subsequent act restores the number of stripes to 13, but provides for additional stars upon the admission of each additional state.
January 21 — King George III delivers the speech opening Parliament and recommends a continuation of Britain's war with France
April 27 – Case of the Lyons Mail: During the night, five highwaymen attack the mail between Paris and Lyon, kill the postmen and steal the funds sent to the armies in Italy.
May 6 – Napoleon Bonaparte forms an advanced guard (3,500 infantry and 1,500 cavalry) under General Claude Dallemagne. He sends this force along the south bank of the Po River, to cross it with boats at Piacenza.
September 15 – Siege of Mantua: Napoleon Bonaparte fights a pitched battle at La Favorita on the east side of the Mincio River. The Austrians withdraw into the fortress of Mantua, which is crowded nearly with 30,000 men. Within six weeks, 4,000 die from wounds or sickness.
September 5 – France's new government decrees that citizens who left the country without authorization are subject to the death penalty if they return. David Andress, The Oxford Handbook of the French Revolution (Oxford University Press, 2015)
October 18 – The XYZ Affair inflames tensions between France and the United States when American negotiators Charles Cotesworth Pinckney, John Marshall, and Elbridge Gerry) meet with French government representatives Jean-Conrad Hottinguer, Pierre Bellamy and Lucien Hauteval and are told that a treaty between France and the U.S. will require payment of a bribe to France's Foreign Minister Charles Talleyrand and a large loan of American cash to France. Pinckney tells people later that his response was "No, no, not a sixpence!"; Hottinguer, Bellamy and Hauteval are referred to, respectively, as "X", "Y" and "Z" in U.S. government reports on the failed negotiations. 
April 7 – The Mississippi Territory is organized by the United States, from territory ceded by Georgia and South Carolina; later it is twice expanded, to include disputed territory claimed by both the U.S. and Spain (which acquired territory in trade with Great Britain).
May 23 – Irish republicans and nationalists, known as the Society of United Irishmen, launch a rebellion against British rule, in expectation of greater support from France, which only sends 1,100 men. The United Irishmen are unique amongst Irish nationalist movements, in that they unify Catholics and Protestants around republican ideals. The rebellion rages sporadically, but is defeated by the British by October.
Conrad John Reed, 12, finds what he describes as a "heavy yellow rock" along Little Meadow Creek in Cabarrus County, North Carolina, and makes it a doorstop in his home. Conrad's father John Reed learns that the rock is actually gold in 1802, initiating the first gold rush in the United States.
The assassination of the 14th Tu'i Kanokupolu, Tukuʻaho, plunges Tonga into half a century of civil war.