1. Statehood Day: November 1, 1907 is a historic date in Oklahoma as it marks the official date of statehood. On this day, Oklahoma became the 46th state in the Union.

2. All Saints' Day: November 1 is also known as All Saints' Day, a Christian feast day dedicated to all the saints and martyrs. It is celebrated in many countries including Oklahoma with religious services and observances.

3. Will Rogers Birthday: November 1 is also the birthday of one of Oklahoma's most famous sons, Will Rogers. He was born in 1879 in Rogers County, Oklahoma, and went on to become a renowned cowboy humorist, actor, and writer.

4. Largest Sales Tax Increase: On November 1, 2005, Oklahoma implemented the largest sales tax increase in its history, raising the state sales tax rate from 4.5 to 5.5 percent. The revenue generated from this tax increase was used to fund education and healthcare initiatives.

5. Record Low Temperature: On November 1, 1911, the town of Nowata, Oklahoma experienced its coldest temperature ever recorded at -17°F. This record still holds to this day and is a testament to the extreme weather conditions that can occur in Oklahoma.