1. Oklahoma was admitted as the 46th state on November 16, 1907. However, on July 20, 1907, President Theodore Roosevelt signed the Enabling Act, paving the way for Oklahoma's statehood.

2. On July 20, 1921, notorious outlaw and bank robber Charles Arthur "Pretty Boy" Floyd was arrested by FBI agents in a rural area near Sallisaw, Oklahoma. Floyd had been on the run for months, and his capture was a major victory for law enforcement.

3. The National Cowboy & Western Heritage Museum in Oklahoma City opened its doors on July 20, 1965. The museum, which is dedicated to preserving and interpreting the history and culture of the American West, features an extensive collection of artifacts and exhibits.

4. On July 20, 1977, oil drilling began on the Osage Indian Reservation in Oklahoma. The Osage Nation had long been a major oil producer, and the discovery of oil in the early 20th century had made many members of the tribe exceedingly wealthy.

5. In 2017, on July 20, the Oklahoma City Thunder traded away superstar forward Kevin Durant to the Golden State Warriors. The move was a controversial one among Thunder fans, many of whom felt betrayed by Durant's decision to leave the team that had drafted him in 2007.