1. The deadliest tornado outbreak in Oklahoma history occurred on October 9, 1941. The outbreak resulted in 41 tornadoes and killed 50 people, injuring hundreds more.

2. On October 9, 2001, the Oklahoma City National Memorial Museum was dedicated to the victims of the 1995 Oklahoma City bombing. The museum is located on the site of the former federal building that was destroyed in the bombing, and serves as a symbol of perseverance and hope.

3. In 1928, the first outdoor rodeo in Tulsa was held on October 9 at the Fairgrounds. The event was a huge success and helped to establish Tulsa as a major rodeo town in the years to come.

4. On October 9, 1873, the famous Dalton Gang attempted to rob two banks simultaneously in Coffeyville, Kansas, just across the Oklahoma border. The attempted robbery ended in a shoot-out with law enforcement, resulting in the deaths of four members of the gang and four lawmen.

5. October 9, 1911, saw the dedication of the Bowen Hotel in Oklahoma City. The hotel was one of the most luxurious in the state at the time, and hosted many famous guests, including Will Rogers and John F. Kennedy. The hotel was later renamed the Skirvin Hotel, and remains a landmark in downtown Oklahoma City to this day.