As an AI language model, I do not have personal opinions or beliefs. However, here are five interesting facts about February 14 in Pennsylvania history:

1. On February 14, 1775, the first Continental Congress convened in Philadelphia's Carpenter's Hall. The meeting was a response to the Intolerable Acts passed by the British Parliament in response to the Boston Tea Party.

2. The Pennsylvania State Capitol building in Harrisburg was dedicated on February 14, 1906. The building's design was selected after a competition that drew 251 entries from around the world.

3. In 1939, a massive explosion occurred at the Braden coal mine in Westmoreland County, killing 21 miners. The accident was caused by a buildup of coal dust and methane gas.

4. On February 14, 1947, the Hershey Bears hockey team played their first game at the Hershey Sports Arena. The team, which is now the AHL affiliate of the Washington Capitals, has won 11 Calder Cup championships.

5. The first "Valentine" that was printed in America was published in Philadelphia in 1797 by a woman named Esther A. Howland. Known as the "Mother of the American Valentine," Howland became one of the wealthiest women in the United States through her successful Valentine's Day card business.