1. On September 8, 1664, the British colony of Connecticut claimed possession of New Amsterdam, which was later renamed New York. The Connecticut militia, led by Colonel Richard Nicholls, captured the Dutch settlement without resistance.

2. In 1776, on the same date, Connecticut fought in the Battle of Long Island during the American Revolutionary War. The battle resulted in a defeat for the Americans and forced them to retreat to Manhattan.

3. On September 8, 1910, the Connecticut State Police was established by a legislative act. It is considered one of the oldest state police agencies in the United States and serves as the primary law enforcement agency for the state.

4. In 1976, the Blue Hills Observatory in Bloomfield, Connecticut recorded the lowest temperature ever recorded in the state on September 8th. The temperature reached -32 degrees Fahrenheit (-35.6 degrees Celsius) during that time.

5. On September 8, 2018, the Little League softball team from Fairfield, Connecticut won the United States championship in the Little League World Series. They went on to compete in the world championship game but ultimately lost to Japan.