1. On September 19, 1777, American troops under the command of General John Stark defeated a superior British force at the Battle of Saratoga in New York. This victory is considered a turning point in the American Revolution and helped secure France's support for the American cause.

2. The New Hampshire state constitution was adopted on September 19, 1783. It was one of the first written constitutions in the world and remains the fundamental law of the state to this day.

3. On September 19, 1911, Wilbur Wright set a new world record for flight duration by staying aloft for 1 hour, 31 minutes and 25 seconds. He made the flight at a height of over 1,600 feet in a plane he had designed and built himself.

4. The Palace Theatre in Manchester, New Hampshire opened its doors for the first time on September 19, 1915. It was one of the largest vaudeville and movie houses in the region and remains a beloved cultural landmark to this day.

5. On September 19, 1996, the New Hampshire Supreme Court ruled that the state's school funding system was unconstitutional because it relied too heavily on local property taxes. The ruling led to significant changes in how education is funded in the state.