On the evening of March 5, 1770, soldiers occupying the town of Boston shot into a crowd, killing or fatally wounding five civilians.

In the aftermath of what soon became known as the Boston Massacre, questions about the command to “Fire!” became crucial. Who yelled it? When and why? Because the answers would determine the guilt or innocence of the soldiers, defense counsel John Adams insisted that “Facts are stubborn things.”

But what are the facts? The evidence, often contradictory, drew upon testimony from dozens of witnesses. Come learn about the Boston Massacre and “hear” for yourself—through a selection of artifacts, eyewitness accounts, and trial testimony—the voices of ordinary men and women, and discover how this flashpoint changed American history.