1. Early Colonial Days: On July 5, 1775, the Continental Congress issued a resolution requesting that each colony form a government separate from British rule, including Pennsylvania. This resolution paved the way for the eventual Declaration of Independence the following year.

2. First Bank in America: On July 5, 1782, the Bank of North America opened in Philadelphia, becoming the first bank chartered in the United States. This institution helped fund the Patriots fighting in the Revolutionary War.

3. Pennsylvania Railroad: On July 5, 1838, the first passenger train run by the Pennsylvania Railroad traveled from Philadelphia to Columbia, a distance of 82 miles. The railroad helped spur economic growth and westward expansion throughout the country.

4. The Birthplace of the American Flag: On July 5, 1877, a 100th anniversary celebration of the Independence Day was held in Philadelphia. During this event, it was claimed that Betsy Ross sewed the first American flag in her Philadelphia home, which has become a symbol of the nation's early history.

5. The Great Flood of 1913: On July 5, 1913, a massive flood swept through Pennsylvania and several other states, causing widespread destruction and claiming countless lives. It is still considered one of the deadliest natural disasters in US history.