1. Statehood Vote: November 7, 1907 was a crucial day in Oklahoma's history as it marked the vote on statehood. The citizens of Oklahoma, after years of territorial status, finally got the chance to decide if they wanted to become the 46th state of the union. The vote came out in favor of statehood, and the President signed the proclamation making Oklahoma the 46th state on November 16.

2. Bizzell Library Dedication: On November 7, 1929, the Bizzell Memorial Library officially opened at the University of Oklahoma. It is named after William Bennett Bizzell, who served as the university's president from 1925-1941. The library is one of the largest in the state and is home to over 5 million cataloged volumes.

3. Historic Hangar 9 Fire: On November 7, 1963, an inferno erupted in Hangar 9 at Tinker Air Force Base in Oklahoma City. The fire was so intense that it could be seen from 50 miles away. Sadly, two Air Force mechanics lost their lives in the blaze, and the hangar was completely destroyed.

4. OU-Texas Tradition Begins: The iconic annual football game between the University of Oklahoma and the University of Texas, which takes place during the State Fair of Texas, first took place on November 7, 1900. The game has since become a beloved tradition for both universities, with thousands of fans flocking to the Cotton Bowl Stadium in Dallas each year.

5. Cherokee Nation Constitution ratified: On November 7, 1975, the Cherokee Nation of Oklahoma ratified its new constitution. The document established a democratic form of government that allowed all tribal members over the age of 18 to vote. It also established a legislative body, a judicial system, and an executive branch, cementing the tribe's sovereignty and self-determination.