Melvyn Bragg and guests discuss the notorious attack of 4th of May 1886 at a workers rally in Chicago when somebody threw a bomb that killed a policeman, Mathias J. Degan. The chaotic shooting that followed left more people dead and sent shockwaves across America and Europe. This was in Haymarket Square at a protest for an eight hour working day following a call for a general strike and the police killing of striking workers the day before, at a time when labour relations in America were marked by violent conflict. The bomber was never identified but two of the speakers at the rally, both of then anarchists and six of their supporters were accused of inciting murder. Four of them, George Engel, Adolph Fischer, Albert Parsons, and August Spies were hanged on 11th November 1887 only to be pardoned in the following years while a fifth, Louis Ling, had killed himself after he was convicted. The May International Workers Day was created in their memory.With Ruth Kinna Professor of Political Theory at Loughborough UniversityChristopher Phelps Associate Professor of American Studies at the University of NottinghamAnd Gary Gerstle Paul Mellon Professor of American History Emeritus at the University of CambridgeProducer: Simon TillotsonReading list:Paul Avrich, The Haymarket Tragedy (Princeton University Press, 1984)Henry David, The History of the Haymarket Affair (Collier Books, 1963)James Green, Death in the Haymarket: A Story of Chicago, the First Labor Movement and the Bombing that Divided Gilded Age America (Pantheon, 2006)Carl Levy and Matthew S. Adams (eds.), The Palgrave Handbook of Anarchism (Palgrave Macmillan, 2018), especially 'Haymarket and the Rise of Syndicalism' by Kenyon Zimmer Franklin Rosemont and David Roediger, Haymarket Scrapbook: 125th Anniversary Edition (AK Press, 2012)In Our Time is a BBC Studios Audio Production