1. In 1776, on July 12th, Pennsylvania gave its vote for independence to the Continental Congress, solidifying Pennsylvania's support for the American Revolution. Pennsylvania's delegation to the Congress consisted of Benjamin Franklin, George Clymer, Robert Morris, James Smith, George Taylor, and John Morton.

2. On July 12, 1861, the Battle of Fort Washington occurred near the town of Edgewater, Pennsylvania. This battle was part of the American Civil War and resulted in a Union victory.

3. On July 12, 1901, Henry Clay Frick, a wealthy industrialist and financier, was shot and wounded by anarchist Alexander Berkman outside Frick's office in Pittsburgh. Frick survived the assassination attempt and continued to be a prominent figure in Pennsylvania's business and political scenes.

4. In 1962, on July 12th, the city of Philadelphia was hit by a major flood that resulted in 13 deaths and millions of dollars in damages. The flood was caused by a severe storm that dumped 10 inches of rain on the city in just a few hours.

5. On July 12, 2002, Pennsylvania Governor Mark Schweiker signed a bill into law requiring all state and local police officers in Pennsylvania to receive training in cultural diversity, including racial profiling and discrimination. This law aimed to improve relations between police and minority communities and to reduce incidents of racial profiling in the state.