1. Abraham Lincoln's Gettysburg Address Monument was dedicated on August 19, 1913. The monument, located in Lincoln Park in Chicago, features a bronze statue of Lincoln and inscriptions of his famous speech.

2. The Grateful Dead played a legendary concert at Soldier Field in Chicago on August 19, 1989. The show, which featured a guest appearance by saxophonist Branford Marsalis, is considered one of the band's best performances.

3. On August 19, 1894, workers at the Pullman Palace Car Company went on strike to protest low wages and poor working conditions. The strike quickly spread to other industries and became known as the Pullman Strike, one of the largest labor uprisings in American history.

4. The Illinois State Fair, one of the oldest and largest state fairs in the country, opened on August 19, 1853. The fair attracts hundreds of thousands of visitors each year and features livestock exhibits, carnival rides, and live entertainment.

5. August 19 is National Aviation Day, a holiday that celebrates the development of aviation and the contributions of pioneers such as the Wright brothers, who made their first successful powered flight in 1903. Illinois has played a significant role in aviation history, as the birthplace of companies such as Boeing and United Airlines.