1. Oklahoma City Bombing: On March 7, 1995, Timothy McVeigh rented a Ryder truck in Junction City, Kansas, that he used to carry out the Oklahoma City bombing. The explosion killed 168 people, injured hundreds more, and caused millions of dollars in damage.

2. Tinker Air Force Base: On March 7, 1942, the U.S. government announced that it would build Tinker Air Force Base in Oklahoma City. The base has played a critical role in American military operations for more than 75 years.

3. Statehood Anniversary: March 7 marks the anniversary of Oklahoma's statehood day. On this day in 1907, President Theodore Roosevelt signed the Enabling Act, which authorized Oklahoma to draft a state constitution and form a state government.

4. Kingfisher Tornado: On March 7, 1925, a massive tornado struck the town of Kingfisher, Oklahoma, killing five people and causing extensive damage. The twister was part of a larger outbreak of tornadoes that hit the Midwest that day, killing hundreds of people.

5. Cherokee Outlet Land Run: On March 7, 1893, the Cherokee Outlet in northern Oklahoma was opened for settlement, leading to a massive land run that attracted thousands of homesteaders to the area. Despite the harsh conditions and challenges they faced, many settlers were able to establish successful farms and businesses in the region.