1. On June 1, 1861, the first regiment of Indiana volunteers was mustered into service for the Union Army during the Civil War. This regiment, known as the 10th Indiana Infantry, would go on to fight in several important battles, including the Battle of Antietam and the Battle of Gettysburg.

2. On June 1, 1875, John T. McCutcheon was born in South Raub, Indiana. McCutcheon was a Pulitzer Prize-winning editorial cartoonist and illustrator who worked for the Chicago Tribune for more than 40 years. He is known for creating the iconic comic strip "Injun Summer," which ran in the Tribune for nearly 30 years.

3. On June 1, 1929, the Indianapolis 500 was held for the first time at the newly-built Indianapolis Motor Speedway. The race was won by Ray Keech, driving a Miller Special.

4. On June 1, 1950, the first public school desegregation case in the United States was heard in Indianapolis. The case, Porter v. Board of School Commissioners, challenged the practice of segregating schools based on race and was eventually decided in favor of the plaintiffs.

5. On June 1, 1979, the first public display of the AIDS epidemic in the United States took place in Indianapolis. The display was a quilt created by Cleve Jones to honor and remember those who had died from the disease. The quilt, known as the AIDS Memorial Quilt, would go on to become one of the largest community arts projects in history.