1. On October 22, 1793, yellow fever reached Philadelphia, Pennsylvania. This epidemic killed over 5,000 people and disrupted the economy of the city for years afterwards.
2. In 1836, the Pennsylvania Railroad was incorporated on October 22. This new railroad system would eventually become one of the largest transportation companies in the world.
3. October 22, 1864 marks the date of the Battle of Boydton Plank Road during the American Civil War. This battle, fought in Dinwiddie County near Petersburg, Virginia, saw Union forces attempting to break the Confederate lines and capture the city. The Union was ultimately unsuccessful.
4. The city of Lancaster, Pennsylvania was incorporated on October 22, 1742. This historic city played a key role in the American Revolution and boasts numerous well-preserved buildings and landmarks.
5. In 1901, the Pennsylvania State Normal School (now known as California University of Pennsylvania) was founded on October 22. This institution has since grown into a major university with over 9,000 students and a reputation for excellence in education.