Ziryab : the slave who changed society (ninth century) Cahokia : the forgotten Rome of the Americas (twelfth century) Gil Eanes : conquering the point of no return Joseph Warren : architect of a revolution (1741-75) Outdoing Revere : history's forgotten riders Elisha Kent Kane : America's greatest hero (1847-57) The sultana : death on the Great River America's first subway : secret under Broadway Peshtigo : great fire in the forest Gustave Whitehead : the first to fly Exercise Tiger : a rehearsal for D-day