On the morning of July 4, 1910, thousands of boxing fans stormed a newly built stadium in Reno, Nevada, to witness an epic showdown. Jack Johnson, the world's first Black heavyweight champion--and most infamous athlete in the world because of his race--was paired against Jim Jeffries, a former heavyweight champion then heralded as the "great white hope." It was the height of the Jim Crow era, and spectators were eager for Jeffries to restore the...