1. On September 30, 1890, Oklahoma was officially admitted as the 46th state of the United States. This followed a rush of settlers known as the Land Run of 1889, which saw thousands of people stake their claim to land in the unassigned lands of Oklahoma Territory.

2. In 1927, Oklahoma was hit by a devastating tornado outbreak that killed at least 76 people and injured over 700 others. The tornadoes struck in the early morning hours, and many people were caught unprepared. The destruction was so widespread that it took weeks to fully assess the damage.

3. On September 30, 1955, actor James Dean died in a car accident near Cholame, California. Dean had grown up in Fairmount, Indiana, and had attended high school in nearby Marion. He is still revered by many as an icon of 1950s youth culture.

4. In 1971, the University of Oklahoma Sooners won their first and only National Invitation Tournament (NIT) championship in men's basketball. The Sooners defeated the Richmond Spiders 77-55 in the final to cap off a remarkable season.

5. On September 30, 1993, the United States government officially apologized to the surviving members of the Osage Nation for the 1921 murders and subsequent theft of oil royalties that became known as the Osage Indian Murders. The government paid $16 million in compensation to the tribe and promised to investigate the crimes further. The murders remain one of the most notorious episodes in Oklahoma history.