this monday marks the 100th anniversary of one of the most horrific days in the nation s history, the 1921 tulsa massacre. nicknamed the black wall street the greenwood district was a driving black neighborhood in the early 1900s. decades after the abolition of slavery this became a thriving economic hub of opportunity and freedom. me 31, 1921, a white mob burned homes, businesses, churches, reducing the once affluent neighborhood to ash killing hundreds of black americans into an attack that lasted the next day. in a brand-new documentary which airs 10:00 p.m. this monday on msnbc what reports in 1921 and how that trauma reverberates through generations. the entire history of tulsa right here. greenwood, murder, arson,