1. On November 21, 1783, Northumberland County became the first county in Pennsylvania to ratify the United States Constitution. The vote was unanimous, and it sparked a wave of ratification among the other counties in the state.

2. Pennsylvania's State Capitol building, located in Harrisburg, was dedicated on November 21, 1906. The stunning Beaux-Arts style structure was the result of a nationwide design competition, and it remains a landmark of American architecture.

3. World-famous aviator Amelia Earhart spoke at the University of Pittsburgh on November 21, 1932. She gave a lecture on her record-breaking transatlantic flight, which made her the first woman to fly solo across the ocean.

4. On November 21, 1965, the Scranton Iron Furnaces were designated a National Historic Site. These historic ironmaking structures date back to the 19th century and are an important reminder of Pennsylvania's industrial heritage.

5. Pennsylvania native and basketball legend Kobe Bryant scored his 20,000th point in an NBA game on November 21, 2007. He achieved the milestone in just his 9th season, making him the youngest player in NBA history to reach that mark.