1. On August 20, 1912, the famous boxer Joe Louis was born in Lafayette, Alabama. He later moved to Detroit, Michigan, where he became one of the greatest heavyweight boxers of all time. Louis is still revered today for his incredible boxing skills and his impact on the sport.

2. On August 20, 1953, the Hershey Trust Company was founded in Hershey, Pennsylvania. The company was established by the Hershey Corporation to manage the trust funds that had been set up for the town of Hershey by its founder, Milton Hershey. Today, the Hershey Trust Company manages millions of dollars in assets and continues to support the Hershey community.

3. On August 20, 1965, famed jazz musician John Coltrane played at the third annual Philadelphia Folk Festival. It was a groundbreaking performance that helped introduce jazz to a wider audience and solidified Coltrane's status as one of the most important musicians of his time.

4. On August 20, 1995, a team of Pennsylvania researchers discovered an ancient fossilized fish in a remote quarry in the state. The fish, named Eugualeus, is believed to be a distant ancestor of modern-day sharks and is considered a major discovery in the field of paleontology.

5. On August 20, 2018, Pennsylvania officially became the first state in the US to launch a sports betting market. The move came after the US Supreme Court struck down a federal ban on sports betting, paving the way for individual states to legalize the activity. Today, sports betting is a popular pastime in Pennsylvania and has become a significant contributor to the state's economy.