1. Construction of the Oklahoma State Capitol: On December 27, 1914, the construction of the Oklahoma State Capitol building began. The building was completed 11 years later, in 1925, and remains a prominent landmark in Oklahoma City.

2. Heavy snowfall in 2009: On this day in 2009, Oklahoma experienced heavy snowfall and blizzard-like conditions, with up to 20 inches of snow in some parts of the state. The storm caused widespread power outages and hazardous driving conditions.

3. Birth of Jim Thorpe: December 27, 1887, marks the birth of legendary athlete Jim Thorpe in Prague, Oklahoma. Thorpe went on to become an Olympic gold medalist in the pentathlon and decathlon, as well as a professional football and baseball player.

4. Oklahoma becomes a state: December 27, 1907, marks the day that Oklahoma officially became the 46th state in the United States. The state had previously been a part of the Indian Territory, and its admission was part of a larger effort to settle Native American land disputes.

5. Leon C. Phillips becomes governor: On December 27, 1930, Leon C. Phillips was inaugurated as governor of Oklahoma. Phillips had previously served as the state's attorney general and was an advocate for progressive policies, including improved public education and workers' rights.