Detailed Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Q: Fred Hampton and Mark Clark were two Black Panthers shot to death in this city while they were asleep. Anthony Abbate (read: A BODY) violently beat the bartender Karolina Obrycka in this city after she refused to continue serving him. Jon Burge was convicted of perjury in this city in 2010, which he committed in the course of civil suits against him for the torture he ordered as Commander of the Area 2 violent crimes unit in the 1980s. In 1886, seven anarchists were sentenced to death in this city following an incident when a pipe bomb explosion caused a line of policemen to fire into a crowd of striking workers in Haymarket Square in this city. For ten points, what is this city notorious for police violence, particularly the violence ordered by Mayor Richard J. Daley during the 1968 Democratic National Convention
A:
History