1 n-uncount Submission is a state in which people can no longer do what they want to do because they have been brought under the control of someone else. oft into N. The army intends to take the city or simply starve it into submission.
One Liberty Place stood as the tallest building in Pennsylvania for over 20 years until the completion of Comcast Center in 2008. Overall, seven of the ten tallest buildings in Pennsylvania are in Philadelphia, with the remainder being in Pittsburgh. Philadelphia is one of only five American cities with two or more completed buildings over 900 feet (270 m) tall.
Its status as the tallest building is being threatened by the construction of 432 Park Avenue, which just topped 1,000 feet and is set to be 1,398 feet tall upon completion (likely in 2015), the tallest residential building in the world.