Task: Text Categorization
Input (English): The Guardian newspaper was founded by a witness to this event, which saw William Hulton dispatch a\n Yeomanry regiment under the drunken Captain Hugh Birley. Unlawful Drilling and Blasphemous Libel\n were outlawed by Lord Sidmouth in response to this August 16 event, which also inspired the Cato Street\n Conspiracy. The Six Acts were passed in the aftermath of this 1819 attempt to arrest the radical orator\n Henry Hunt, which saw cavalry kill fifteen of the 70,000 Mancunians who were gathered to protest\n Parliamentary representation in the midst of a famine. For 10 points, name this massacre whose name is a\n combination of St. Peter's Field, where it occurred, and Napoleon's final defeat.
Output (English): History