1. In 1837, James Fenimore Cooper gave a lecture in Jacksonville, Illinois, titled "The American Novel". Cooper was a famous American author, best known for his novel "The Last of the Mohicans". His lecture focused on the unique characteristics of American literature and the importance of creating a national identity through literature.

2. On June 20, 1863, Confederate General John Hunt Morgan and his raiders crossed into Illinois from Kentucky. They hoped to disrupt Union troop movements and cause panic among northern civilians. However, Union troops quickly mobilized and forced Morgan to retreat back into Kentucky after several days of skirmishing.

3. In 1893, the World's Columbian Exposition opened in Chicago. The expo celebrated the 400th anniversary of Christopher Columbus' arrival in the Americas and showcased the latest technology, art, and culture from around the world. It was a huge success, attracting over 27 million visitors during its six-month run.

4. On June 20, 1919, the Illinois State Legislature ratified the 19th Amendment to the United States Constitution, granting women the right to vote. Illinois was the first state east of the Mississippi River to ratify the amendment.

5. In 1938, the Fair Labor Standards Act was signed into law by President Franklin D. Roosevelt. The act established a minimum wage and maximum workweek of 44 hours, and prohibited child labor in certain industries. The law was crucial in improving working conditions for millions of Americans, including those in Illinois.