On May 31, 1921, a race massacre – ignited on a wave of sexual assault rumors after a black teen jostled accidentally against a white woman in an elevator inside the Drexel Building – plunged Tulsa into a week-long act of unprovoked violence against the city's African American citizenry, economic, political and faith-based institutions. The deadly barbarian attack, which spanned every aspect of life within Tulsa, is recognized as one of the most heinous acts of domestic terrorism within the United States.