1. The Ohio National Guard was created on February 20, 1803, by an act of the Ohio General Assembly. The Ohio National Guard has played an important role in Ohio and US history, including serving during the Mexican-American War, the Civil War, World War I, and World War II.

2. On February 20, 1895, Frederick Banting, the co-discoverer of insulin, was born in Alliston, Ontario, Canada. Banting and his colleagues discovered insulin in 1921, which revolutionized the treatment of diabetes and saved countless lives.

3. On February 20, 1953, the Cuyahoga River caught fire in Cleveland due to years of pollution and neglect. Although the fire only caused minor damage, it drew national attention to the environmental problems facing Ohio and the US. The incident spurred the development of the Clean Water Act and other environmental legislation.

4. The Ohio State University basketball team won their first Big Ten championship on February 20, 1960, beating the University of Iowa 90-81. The Buckeyes went on to win the national championship that year, led by future Hall of Fame player Jerry Lucas.

5. Ohio astronaut Judith Resnik was born on February 20, 1949, in Akron. Resnik was the second American woman in space, serving as a mission specialist on the space shuttle Discovery in 1984. Tragically, Resnik died in the Challenger disaster in 1986.