1. On April 7, 1933, the city of Tulsa experienced a significant earthquake with a magnitude of 4.6. Though the quake did not cause any major damage, it was strong enough to be felt throughout the city and surrounding areas.

2. Baseball legend Mickey Mantle was born on April 7, 1931, in Spavinaw, Oklahoma. Mantle played for the New York Yankees and is considered one of the greatest players of all time, earning three American League MVP awards and seven World Series championships during his career.

3. On April 7, 1927, the city of Woodward was nearly destroyed by a deadly tornado. With winds reaching up to 184 miles per hour, the tornado killed at least 107 people and caused millions of dollars in damage.

4. In 1999, on April 7th, the state of Oklahoma became the first in the nation to pass legislation allowing for the carrying of concealed weapons by citizens with a permit. This move was controversial, with many arguing that it could lead to an increase in gun violence.

5. On April 7, 1949, the Oklahoma State Legislature officially made the rose rock the state rock. Rose rocks are unique to Oklahoma and are composed of barite crystals formed into clusters that resemble roses. They are found only in certain parts of the state, primarily around Noble and Logan counties.