June 13 has been a significant day in Illinois history, with various events occurring that have had an impact on the state's development and culture. Here are 5 interesting facts about June 13 in Illinois history:

1. In 1927, the "Mississippi Flood of 1927" reached its peak, affecting 27,000 square miles of land in Illinois and other neighboring states. The flooding caused massive devastation, with more than 630,000 people displaced and over 200,000 homes destroyed. Many people lost their jobs, and the flooding left a lasting impact on the region's economy.

2. On June 13, 1950, Singer Nat King Cole gave a concert in Chicago's Soldier Field, which was attended by over 16,000 people. His performance was considered a landmark event, as it was one of the first times an African American musician had played in a large white-only venue in the city.

3. On June 13, 1961, the Illinois General Assembly passed the Illinois Human Rights Act, which outlawed discrimination on the basis of race, color, religion, national origin, and ancestry. The act was considered a significant victory for the Civil Rights Movement and helped set a precedent for other states to follow.

4. In 1966, the city of Chicago was hit by a tornado that caused widespread damage and killed 33 people. The tornado touched down in the city's southwest suburbs and moved towards Lake Michigan. It was considered one of the deadliest tornadoes in Illinois history.

5. On June 13, 1978, the Chicago White Sox played a game against the Detroit Tigers at Comiskey Park. During the game, Sox player Rusty Torres hit a foul ball that struck a fan named Alice Roth, who died later that day from her injuries. The incident led to new safety measures in baseball stadiums across the country, including the extension of protective netting.