President Joe Biden plans to travel to Tulsa, Okla., on June 1 to commemorate the 100th anniversary of the Tulsa Race Massacre, the White House said in a statement Tuesday. Experts who have studied the 1921 event estimate the death toll was between 75 and 300, with more than 35 city blocks leveled, an estimated 191 businesses destroyed, and roughly 10,000 Black residents displaced.