1. In 1783, the Continental Army, under the command of George Washington, watched a display of fireworks in Princeton to celebrate the end of the Revolutionary War. This event is considered the first official Fourth of July celebration in the United States.

2. In 1830, the Morris Canal opened, connecting the Delaware River in Pennsylvania to the Hudson River in New Jersey. This transportation system revolutionized shipping and trade in the region, allowing for faster and more efficient movement of goods.

3. In 1876, the Centennial Exposition opened in Philadelphia, showcasing the latest technologies and innovations of the era. Many New Jersey businesses and inventors, including Thomas Edison, exhibited their wares at the event.

4. In 1922, the state of New Jersey passed the Cable Television Act, which allowed cable television providers to operate in the state without interference from local governments. This paved the way for the development of modern cable television networks.

5. In 1938, Jersey Joe Walcott became the heavyweight boxing champion of the world by defeating Joe Louis in a 15-round bout. Walcott, who hailed from Camden, New Jersey, was known for his unique fighting style and his ability to knock out opponents with one punch.