1. On September 27, 1777, a group of American troops under General John Stark successfully defeated a larger British force at the Battle of Saratoga. This victory is considered a turning point in the American Revolution and is credited with convincing the French to ally with the Americans.

2. In 1825, the cornerstone was laid for the original New Hampshire State House in Concord. The building was completed in 1819 and served as the seat of state government until it was replaced by the current State House in 1819.

3. On September 27, 1884, Mount Washington Observatory recorded a wind speed of 231 miles per hour, the highest wind speed ever recorded on the surface of the Earth. The wind was so strong that it knocked a worker off his feet and sent him tumbling into a snowdrift.

4. In 1909, the first automobile race was held at the New Hampshire State Fairgrounds in Manchester. The race, which featured 22 cars, was won by George Robertson driving a Locomobile.

5. On September 27, 1952, the first commercial jet airliner, the de Havilland Comet, made its first transatlantic flight from London, England to New York City. The flight was a milestone in aviation history and paved the way for the modern air travel industry.