Original sentence: In January 2007, GAF, a local asphalt shingle manufacturer, announced its plans to relocate to eastern Pennsylvania, thus making available several acres of property adjacent to the Bayfront Convention Center and hotel.The citizens of Erie, led by the mayor, set fire to bridges, ripped up track, and rioted to stop standardization
Edited sentence: Erie was established as a borough by act of the General Assembly on March 29,  1805.In January 2007, GAF, a local asphalt shingle manufacturer, announced its plans to relocate to eastern Pennsylvania, thus making available several extremely valuable acres of property adjacent to the Bayfront Convention Center and hotel.The citizens of Erie, led by the mayor, set fire to bridges, ripped up track, and in general did everything imaginable to thwart standardization.This act created a Borough and Town Council headed by a burgess.This form of government stood until the City of Erie was incorporated on April 14, 1851, when a mayoralty and select council were established