A second angry mob in this city destroyed the house of the author of  Letters from a Farmer in the state in which this city is located.
This city is both the only UNESCO World Heritage City in the United states and the destination of the package in which Henry Box Brown escaped slavery. One protest group targeting this city killed 21 (*)  local native Americans and caused this city's state capital status to be revoked. A second angry mob in this city destroyed the house of the author of  Letters from a Farmer in the state in which this city is located. The namesake of a once-popular brand of Mercury-laced "bilious pills" helped treat an epidemic of Yellow Fever in this city. One song partially about this city mentions "dice in the mirror" and a license plate reading "Fresh". For ten points, name this city attacked by the Paxton Boys, the residence of James Wilkinson and Benjamin Rush.
This city is both the only UNESCO World Heritage City in the United states and the destination of the package in which Henry Box Brown escaped slavery.
 Philadelphia