1790 April 0
Army garrison officers gave a theatrical presentation -- Cato and All the 'World's a Stage.
1790 April 0
Population: 376; Allegheny County, 10,309
1791 February 0
Isaac Craig was appointed quartermaster general and was given permission to repair Fort Pitt.
1791 September 6
Robert Johnson, the revenue collector, was tarred and feathered by angered citizens.
1791 November 0
An army hospital was established "in a rented house in the town," with Dr. Carmichael in charge. Samuel Slater started a cotton mill with a staff of nine children from seven to twelve years of age.
1792 May 1
Captain Hughes, in command of the army garrison at Fort Pitt, occupied Fort Fayette (LaFayette), just completed near the Allegheny close to the old bastion.
1792 May 1
General Anthony Wayne and his army arrived in town.
1793 September 12
The city's first fire engine was purchased at a cost of ?1200, and the Eagle Fire Engine and Hose Company, the first to be organized in the town, was formed with headquarters at First Street (Avenue) between Market and Ferry.
1793 October 14
Regular river packet service was inaugurated by Jacob Myers between Pittsburgh and Cincinnati.
1793 October 14
Modern Chivalry, volume three, a novel by Hugh Henry Brackenridge. was printed by John Scull. It was the first book printed west of the Allegheny Mountains.
1793 October 14
George Anshutz built a small furnace in Two Mile Run (present Shadyside). One of its first tasks was to manufacture cannon balls for General Anthony Wayne's army.
1794 April 22
Pittsburgh was incorporated as a borough.
1794 May 19
George Robinson and Josiah Tannehill were chosen chief burgesses in the first borough election.
1794 August 0
Farmers who protested against the collection of excise tax on whisky marched to Pittsburgh from their rendezvous at Braddock's Field.
1794 November 12
Burgess George Robinson and three other Pittsburghers were among 18 southwestern Pennsylvanians arrested by General Irvine's troops during the "dreadful night" of the Whisky Insurrection.
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