1 of 2 KYLE PHILLIPS PHOTO / CNHI News ServicePhil Armstrong, project manager for the 1921 Tulsa Race Massacre Centennial Commission, awaits completion of Greenwood Rising. COURTESY OKLAHOMA HISTORICAL SOCIETYThe Tulsa Race Massacre destroyed more than 1,200 homes and businesses in in 1921. TULSA, Okla. â John W. Franklin wept as he read his grandfatherâs account of the Tulsa Race Massacre. The fragile, yellowing, 90-year-old document, which recounts the worst race massacre in U.S. history, now sits in the Smithsonian National Museum of African American Histo...