1. In 1939, Iowa's first licensed female pilot, Evelyn Sharp, completed a solo flight from Cedar Rapids to Des Moines during a blizzard, becoming the first woman to make the trip in adverse weather conditions.

2. On January 20, 1847, the University of Iowa was officially established by an act of the Iowa Territorial Legislature, making it the first public university in the territory that would become the state of Iowa.

3. In 1904, the Iowa Senate passed a resolution recognizing the singer-songwriter and civil rights activist Paul Robeson for his achievements and contributions to the arts and civil rights causes.

4. On this day in 1929, O. F. Truax, a prominent physician and surgeon from Muscatine, Iowa, invented the liquid carbon dioxide fire extinguisher, which revolutionized fire safety and is still in use today.

5. In 1973, fighting broke out at Iowa's Clarinda Correctional Facility, a maximum-security prison, between inmates and guards over poor living conditions and treatment. The incident, which lasted two days, resulted in several injuries and significant damage to the facility.