The bloody massacre perpetrated in King - Street Boston on March 5th, 1770, by a party of the 29th Regt. / engrav'd printed & sold by Paul Revere, Boston ; re-engraved by Sidney L. Smith.

On March 5, 1770, British troops killed five colonials in the so-called Boston Massacre, one of the events that led to the American Revolution.

Warren was there to deliver an annual speech commemorating the Boston Massacre, five years earlier, and tension was in the air. He wore a toga, a sartorial nod to great Roman orators.