1. On January 9, 1760, an important treaty was signed between the British and the Delaware tribe in Easton, Pennsylvania. The treaty signaled the end of the French and Indian War, and marked the beginning of British dominance in North America.

2. In 1788, Pennsylvania became the second state to ratify the U.S. Constitution. The decision came after a heated debate between Federalists, who supported the new government, and Anti-Federalists, who feared it would be too powerful.

3. On January 9, 1959, Pennsylvania Governor George Leader signed a law allowing for the creation of the State University System of Pennsylvania. The system would eventually grow to include 14 universities serving over 100,000 students.

4. In 1976, the famous Philadelphia Flyers hockey team defeated the Soviet Red Army team on January 9. The game, known as the "Miracle on Ice," was a thrilling moment in Pennsylvania sports history and remains a legendary moment in ice hockey.

5. On January 9, 2018, a historic winter storm hit Pennsylvania, dumping over a foot of snow on many parts of the state. The storm caused widespread power outages and travel disruptions, but also provided an opportunity for residents to enjoy winter activities like sledding and snowball fights.