Philadelphia Timeline, 1821
- Coal was being consumed. In this year the Lehigh Coal and Navigation Company delivered three hundred and sixty five tons of coal to Philadelphia.
- March 20. The Legislature passed an act to provide a State penitentiary within the city and county of Philadelphia. The Cherry Hill farm property on the north side of Francis Lane (later on Coates Street, now Fairmount Avenue) west of the Ridge Road (Corinthian Ave. and Fairmount Ave.). Cornerstone laid on May 22d. Incorporation of Apprentices Library.
- May 9. South Street Theater (below Fifth Street) burned.
Excerpted from "Happenings in ye Olde Philadelphia 1680-1900" by Rudolph J. Walther, 1925, Walther Printing House, Philadelphia, PA