From the never-ending controversy over the Boston Massacre to the world's first working (sort of) submarine, "It Happened in the Revolutionary War" looks at intriguing people and episodes that shaped the course of the war. Meet Banistre Tarlton, a ruthless British commander who showed no mercy, earning him a reputation as the meanest man in America. Relive the harrowing horseback journey of Betsy Dowdy, a sixteen-year-old who braved a 50-mile nighttime ride to warn the Patriots about British troop movements. And find out why the governor of Virginia shot a cannon at his own house.