Chatterton Massacre
Massacre of at least six protesters on 26 April 1826 by British soldiers, on the third and penultimate day of the Lancashire Rising.
Zong Massacre
Massacre of more than 130 African slaves, thrown overboard when the ship carrying them ran out of drinking water.
Peterloo Massacre
Cavalry charge on 16 August 1819 into a crowd of 60,000–80,000 gathered at St Peter’s Field, Manchester, England to demand the reform of parliamentary representation