1. In 1863, the Battle of Brandy Station was fought in Culpeper County, Virginia, which involved a significant number of Pennsylvania soldiers. The battle is considered to be the largest cavalry battle of the American Civil War and is notable for its use of reconnaissance balloons.

2. On June 2, 1899, a tornado struck the town of New Richmond, Pennsylvania, killing over two dozen people and causing extensive damage to homes and businesses. The tornado is considered to be one of the deadliest in Pennsylvania's history.

3. In 1924, the Pennsylvania State Police Academy was established in Hershey, Pennsylvania. The academy served as the primary training grounds for all state troopers in the Commonwealth of Pennsylvania and continues to be a vital part of law enforcement training in the state.

4. On June 2, 1937, the Hollywood Theatre in Pittsburgh, Pennsylvania, was destroyed by a massive fire. The cinema was one of the largest in the city at the time and its burning was considered a huge loss for Pittsburgh's cultural scene.

5. In 1999, the Pennsylvania Senate passed a bill that designated the ruffed grouse as the state bird of Pennsylvania. The ruffed grouse is known for its distinctive drumming sound, and its population is closely monitored by the Pennsylvania Game Commission.