1. The Gettysburg Battlefield Memorial Association was formed on August 23, 1864. Two months after the end of the Battle of Gettysburg, the association was established to preserve the battlefield and honor those who fought and died during the conflict.

2. The Pennsylvania Dutch Festival, one of the largest and most popular events in the state, takes place annually in Kutztown on August 23. The festival celebrates the rich history and culture of the Pennsylvania Dutch, with traditional foods, crafts, music, and dance.

3. On August 23, 1899, the first automobile race ever held in the United States took place in Philadelphia. The race, organized by the Automobile Club of America, featured six cars and covered a distance of 54 miles.

4. The first day of classes at the University of Pittsburgh took place on August 23, 1787. Originally known as the Pittsburgh Academy, the school was established to provide education to the youth of the city and has since grown into a world-renowned research institution.

5. New Hope, a charming and historic town located along the Delaware River, was settled on August 23, 1710. Originally called Coryell's Ferry, the town played an important role in the American Revolution and today is a popular tourist destination known for its art galleries, antique shops, and restaurants.