“Watchmen” is a brutally provocative reckoning of alternate history
On May 31, 1921, an armed white mob poured into Tulsa, Oklahoma’s majority African-American Greenwood district and began setting it ablaze. Families were driven out of their homes at gunpoint as their neighbors looted their belongings and burned their property to the ground. The lucky ones escaped the city with their lives, the less fortunate were rounded up and detained by law enforcement, and scores of men, women, and children were simply gunned down in the street. Within the space of 48 hours Greenwood, a beacon of prosperity previously nicknamed the Black Wall Street, was wiped from the face of the earth. More than 10,000 black families were left homeless, and the death toll, tallied at 36 in 1921, is now estimated to be upwards of 300. In all likelihood, most people who tune in to Sunday’s highly anticipated premiere of “Watchmen” (9 p.m. ET, HBO) will have never heard of this bloody, racist massacre that occurred almost a century ago on American soil. The thought that such a crime could happen at all beggars …

