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."

The deadliest race massacre in American History started with two people. Find out the origins of this tragic event in this History special, "Tulsa Burning: The 1921 Race Massacre."

Henry Johnson served in the 369th Infantry Regiment, a unit of the U.S. Army that was composed primarily of African American soldiers and later became known as the "Harlem Hellfighters." Learn more in this scene from "Harlem Hellfighters".

In the 19th century, train collisions happened at alarming rates. The problem was that rail workers couldn't properly communicate with each other. That is, until Granville T. Woods, better known as Black Edison, changed everything.