1. The first zoo in the United States was established in Philadelphia on May 2, 1874. Originally known as the Philadelphia Zoological Society, it is now called the Philadelphia Zoo and is home to over 1,300 animals.

2. On May 2, 1682, William Penn sailed up the Delaware River and landed at New Castle, Delaware, marking the beginning of his journey to what would become Pennsylvania.

3. The first baseball game played under electric lights took place in Williamsport, Pennsylvania on May 2, 1883. The game was played between the Williamsport Grays and the Waverly Athletic Club.

4. The Chautauqua Institution, an adult education center and summer resort located in Chautauqua, New York, was founded on May 2, 1874, by Lewis Miller and John Heyl Vincent, both of whom were from Pennsylvania.

5. On May 2, 1927, a tornado struck the town of Bath, Pennsylvania, killing 33 people and injuring over 200. It was one of the deadliest tornadoes in Pennsylvania history.