1. The Great Flood of 1865: On July 9, 1865, a devastating flood swept through Pennsylvania, killing over 100 people and causing significant damage to infrastructure and property. The flood was caused by heavy rainfall and a dam bursting, and it affected several areas, including Wilkes-Barre and Scranton.

2. Pennsylvania becomes a state: On July 9, 1776, Pennsylvania became the second state (after Delaware) to ratify the United States Declaration of Independence. This made Pennsylvania one of the original 13 colonies that formed the United States, and it played a key role in the American Revolution.

3. Benjamin Franklin is born: On July 9, 1706, Founding Father and polymath Benjamin Franklin was born in Boston, Massachusetts. Although he was not born in Pennsylvania, Franklin spent much of his life in Philadelphia, and he played an important role in Pennsylvania history. He was a key figure in the state's early development and served as the first Postmaster General of the United States.

4. Betsy Ross creates the American flag: According to legend, on July 9, 1776, Philadelphia seamstress Betsy Ross created the first American flag at the request of George Washington. Although the story is likely apocryphal, Ross is a significant figure in Pennsylvania history and is credited with creating the design that served as the national flag from 1777 to 1795.

5. The Battle of Wyoming: On July 9, 1778, the Battle of Wyoming was fought near Wilkes-Barre, Pennsylvania. The battle was part of the American Revolution and pitted American forces (primarily Pennsylvania militiamen) against British soldiers and their Native American allies. The battle resulted in a decisive British victory and is often remembered as one of the bloodiest battles of the Revolution.