& Events: Pottawatomie Massacre. "John Brown's Holy War." The American Experience. WGBH, 1999. 1856 in Kansas Territory Massacres in 1856 Bleeding Kansas John Brown (abolitionist) Massacres in the United States Deaths by stabbing in Kansas Deaths by blade weapons May 1856 events Riots and civil disorder in Kansas John Brown and family in Kansas Racially motivated violence in the United States American proslavery activists 1856 murders in the United States