463218 Philadelphia Wigwam for the Johnson Union Convention held August 14th 1866, 1866 (litho) by Rosenthal, Louis N. (c.1824-after 1900); 50 x 37 cm; Library Company of Philadelphia, PA, USA; (add.info.: Exterior view of the temporary convention hall built opposite Girard College between 21st and 22nd streets on Girard Avenue for the first national political convention after the Civil War. The convention was organized to foment the National Union Party in support of President Johnson and in opposition to the reconstruction policies passed by "radical" Republicans in Congress. The hall containing galleries, a stage, and amphitheatre was built to hold about 10,000 persons. The National Union Party existed 1864-1868.); 穢 Library Company of Philadelphia ; Polish, out of copyright.