At Tulsa Centennial, Biden Unveils Steps to Narrow Racial Wealth Gap Voice of America 02 Jun 2021, 10:05 GMT+10 On Tuesday, Joe Biden became the first sitting American president to commemorate the anniversary of the destruction of a prosperous Black community by a white mob that left up to 300 people dead and 10,000 homeless. "Just because history is silent, it doesn't mean that it did not take place," Biden said in remarks to survivors of the massacre and their families at the Greenwood Cultural Center. "Some injustices are so heinous, so horrific, so grievous, they can't be buried, no matter how hard people try."