1. Statehood Day: November 6 is celebrated as Statehood Day in Oklahoma as it marks the day when the state was officially admitted to the Union in 1907.

2. Will Rogers' Birthday: Will Rogers, a famous American actor, comedian, and writer, was born on November 6, 1879, in Indian Territory, which is now part of Oklahoma.

3. Oklahoma Centennial: In 2007, Oklahoma celebrated its centennial, marking 100 years since it became a state. The celebrations were held on November 6, which was Statehood Day and Will Rogers' birthday.

4. Tinker Air Force Base: On November 6, 1940, a ceremony was held in Oklahoma City to mark the groundbreaking of what is now Tinker Air Force Base. The base played a critical role in World War II and continues to serve as a major logistics center for the U.S. Air Force.

5. Ada Lois Sipuel Fisher: On November 6, 1946, Ada Lois Sipuel Fisher was denied admission to the University of Oklahoma Law School because she was black. She sued the university, and after a six-year legal battle, won the right to attend the school, becoming the first black student to be admitted to a previously all-white law school in the South.