1. In 1752, the Pennsylvania Hospital was founded in Philadelphia, becoming the first hospital in the United States. Benjamin Franklin played a large role in its development and it continues to operate to this day.

2. On September 14, 1812, the Battle of White Plains took place during the War of 1812, marking a significant victory for American forces against the British.

3. The first commercial oil well was drilled in Titusville, Pennsylvania on September 14, 1861 by Edwin Drake, signaling the beginning of the modern petroleum industry.

4. The Pennsylvania State Capitol building in Harrisburg was dedicated on September 14, 1906, following years of construction and political turmoil. The Beaux-Arts style Capitol remains an iconic landmark in the state.

5. The Hershey Chocolate Company, now known as The Hershey Company, was founded on September 14, 1898 by Milton Hershey in Hershey, Pennsylvania. The company has since become a global confectionery giant with numerous popular brands.