When was one of the tallest structure built which is taller than The Milwaukee City Hall and is the seat of government for the city of Philadelphia?
Milwaukee City Hall: The Milwaukee City Hall is in Milwaukee, Wisconsin, United States. Milwaukee City Hall:  The city hall's bell tower, at 353 feet (108 m), made it the third tallest structure in the nation, behind the Washington Monument and Philadelphia City Hall. Philadelphia City Hall: Philadelphia City Hall, built in 1901 and located at 1 Penn Square, is the seat of government for the city of Philadelphia, Pennsylvania.
1901