[5] The cornerstone, inscribed "House to accommodate the President of the United States", was laid on May 10, 1792, in a ceremony attended by Governor Thomas Mifflin.

[7] On March 3, 1797, Governor Mifflin offered the nearly completed mansion to John Adams on the eve of his inauguration.

[8] On July 15, 1800, the University of Pennsylvania bought the property, the mansion, and twelve lots, at public auction for $41,650.

[12] The mansion was demolished in 1829 to make room for two new university buildings, designed by architect William Strickland.

[2] In 1790, Governor Mifflin had originally asked Pierre Charles L'Enfant, who was planning the new federal city, Washington, D.C., for a design.

[14] The resulting three-story house was built of brick trimmed with marble and featured a facade in the neoclassical style of British architect Robert Adam.