High Quality Content by WIKIPEDIA articles! Women's Professional Soccer formally announced the Philadelphia market as its eighth franchise on March 17, 2009. Two months later, the Independence formally unveiled its name and colors at the Franklin Institute in Center City. The "Independence" name refers to the Declaration of Independence, a document that initiated the American Revolution after it was signed at Independence Hall on July 4, 1776. The official motto is "We the People", referring to the Preamble to the United States Constitution.The Independence succeeds the former Philadelphia Charge of the defunct Women's United Soccer Association.