1. On February 6, 1787, the Pennsylvania state legislature passed an act abolishing slavery in the state, making it one of the first states to do so. The act granted freedom to any child born to a slave after its passage, and required slave owners to register their slaves with the government.

2. February 6, 1937 marks the deadliest day in Pennsylvania coal mining history. A gas explosion at the Clymer No. 1 mine in Indiana County killed 111 miners, leaving behind 76 widows and 203 children.

3. On February 6, 1968, three anti-war activists were arrested in Harrisburg, Pennsylvania for conspiring to plant explosives at a military induction center. The case became known as the "Harrisburg Seven" trial, and sparked national debate about freedom of speech and dissent.

4. In 1993, the Super Bowl was held in Pasadena, California, but the Pittsburgh Steelers still found a way to celebrate a championship victory in Pennsylvania. Pittsburgh hosted a victory parade on February 6, drawing an estimated 300,000 fans to downtown streets.

5. February 6, 2018 marked the first time in nearly 30 years that a Democratic candidate won a special election in Pennsylvania's 18th congressional district. Conor Lamb defeated Republican Rick Saccone by less than 1% of the vote, leading some political analysts to speculate about the changing political landscape of the state.