The Union League of Philadelphia is a private club founded in 1862 by the Old Philadelphians as a patriotic society to support the policies of Abraham Lincoln. As of 2022, the club has over 4,000 members. Its main building was built in 1865 and added to the National Register of Historic Places in 1979.
Built: 1864–65
Architect: John Fraser · Horace Trumbauer
Architectural style: Second Empire, Beaux Arts
Tax ID no.: 23-1171350
Headquarters: 140 South Broad Street, Philadelphia, Pennsylvania, U.S.