Greenwood Tulsa became the site of the deadliest race massacre in American history.

Located in Tulsa, Oklahoma, this residential neighborhood known as Greenwood provided an opportunity for Blacks to accumulate wealth and make advancements during a time of racial terror, in this History special, "Tulsa Burning: The 1921 Race Massacre."

As African Americans flocked to Northern cities in the 1920s, they created a new social and cultural landscape.

Starting in January 1920, the United States became a dry country. Prohibition banned the manufacture and sale of alcohol in an attempt to civilize unruly Americans (and some other reasons). The experiment had many unintended consequences, but most dangerously, it fostered the rise of organized crime and the American Mafia.