1. In 1931, the infamous outlaw Charles Arthur "Pretty Boy" Floyd was arrested in East Liverpool, Ohio on charges of a payroll robbery in Kansas. Floyd was eventually killed in a shootout with law enforcement in 1934, but his notorious reputation lives on in Oklahoma history.

2. On October 13, 1943, the University of Oklahoma football team suffered a devastating loss to the Naval Air Station Jacksonville team, marking the end of a long winning streak for the Sooners. The game's final score was 13-7 in favor of Jacksonville.

3. In 1972, the Cherokee Nation declared an official "Day of Mourning" on October 13 to remember the forced relocation of thousands of Native Americans during the Trail of Tears in the 1830s. The Day of Mourning is still observed by many Native American tribes and organizations today.

4. On October 13, 1983, the Space Shuttle Challenger landed safely back on Earth after its first mission into space. Oklahoma astronaut William Pogue was one of the crew members who helped deploy a satellite and conduct various scientific experiments during the 8-day mission.

5. In 2017, the Oklahoma City Thunder basketball team played their first game of the season on October 13 against the New York Knicks. Despite a strong performance by Thunder star Russell Westbrook, the team ultimately lost to the Knicks with a final score of 111-107.