1. On November 2, 1783, the Treaty of Paris was signed in Philadelphia, officially ending the American Revolutionary War. Representatives from the United States, Great Britain, France, and Spain gathered at the Pennsylvania State House, now known as Independence Hall, to sign the treaty.

2. The first American automobile race took place in Pittsburgh on November 2, 1895. Six cars raced from Pittsburgh to Greensburg, a distance of 30 miles. The winner, driving a Duryea, completed the race in just over 3 hours.

3. Dr. Thomas Bond, a Pennsylvania physician, founded the Pennsylvania Hospital in Philadelphia on November 2, 1751. The hospital was the first in the United States, and it initially treated patients with mental illness as well as physical ailments.

4. The first U.S. patent for a refrigerator was granted to Pennsylvania inventor Jacob Perkins on November 2, 1835. Perkins' design used a compressor and a condenser to cool air, creating a continuous cycle of refrigeration.

5. Pennsylvania Governor Bob Casey signed the first law in the United States requiring the use of seat belts in vehicles on November 2, 1984. The law mandated that all drivers and front-seat passengers wear seat belts, and it was later expanded to require all passengers to use them.