1. On July 22, 1863, the Battle of Hanover took place during the American Civil War, with Union forces forcing the Confederate soldiers to retreat. The battle was part of the Gettysburg Campaign.

2. The Pennsylvania Railroad opened its new passenger station in Philadelphia on July 22, 1881. The station, now known as 30th Street Station, is still in use today and is a major transportation hub in the city.

3. July 22, 1935, marked the opening of the Pennsylvania Turnpike, the nation's first superhighway. It spanned 160 miles through the Appalachian Mountains and became an important thoroughfare for commerce and travel.

4. On July 22, 1965, the Pennsylvania state legislature repealed a law that prohibited abortion unless it was necessary to save the life of the mother. This was a significant step forward in women's reproductive rights.

5. The first Hershey's chocolate bar was produced on July 22, 1900, at the Hershey Chocolate Factory in Hershey, Pennsylvania. The company grew rapidly and became one of the largest chocolate manufacturers in the world. Today, Hershey, PA, is a popular tourist destination for chocolate lovers.