In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
General Douglas MacArthur led American troops in World Wars I and II before being fired by President Harry Truman during the Korean War.
The ultimate frontiersman, Carson inspired popular novels before being associated with the "Long Walk" of the Navajo people.
The true story behind the most romanticized, infamous outlaw couple in U.S. history and their gang.
On June 6, 1944, Allied troops invaded Normandy, fighting to free Europe from Nazi occupation and end World War II.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.