1. On June 22, 1969, the Ohio River flooded in Indiana and caused widespread damage. The flood was caused by heavy rainfall and left parts of southern Indiana underwater for weeks.

2. In 1910 on June 22, the Indianapolis Motor Speedway opened its doors for the first time. The track has since become an iconic landmark and hosts the annual Indy 500 race, one of the most prestigious events in all of motorsport.

3. June 22, 1816, was the birthdate of James B. Ray, Indiana's sixth governor. Ray served as governor from 1825-1831 and was responsible for implementing several important public works projects in the state, including the construction of the Wabash and Erie Canal.

4. On this day in 1953, the United States Supreme Court issued a ruling in the case of Terminiello v. City of Chicago. The case established the principle that free speech rights are protected even when the speech in question is offensive or controversial.

5. June 22, 1941, marked the beginning of Operation Barbarossa, the German invasion of the Soviet Union during World War II. Indiana played an important role in the war effort, with many Hoosiers serving in the armed forces and the state's factories producing military equipment and supplies.