Philadelphia Timeline, 1815
- February 13. New received of the signing of a treaty of peace with England. Grand illumination in the evening. Grand Ball given at Vauxhall Garden, northeast, corner of Broad and Walnut Streets. A grand Te Deum, in honor of the event, sung at St. Augustine's Church on February 26th.
- December 29. Launching of the new steamboat Baltimore at the shipyard of Vaughn & Bowers, Kensington.
Excerpted from "Happenings in ye Olde Philadelphia 1680-1900" by Rudolph J. Walther, 1925, Walther Printing House, Philadelphia, PA