1. In 1664, Connecticut's General Court authorized the construction of the state's first prison, located in Hartford. The prison was used to house convicted criminals and debtors, and remained in use until 1963.

2. In 1881, Connecticut businessman David Humphreys was named ambassador to France by President James Garfield. Humphreys, who had served as a major general in the Revolutionary War, negotiated several important trade agreements and helped improve relations between the two countries.

3. In 1922, Connecticut's State Board of Education made physical education a requirement for public schools. The move was part of a broader effort to promote healthy living and reduce childhood obesity.

4. In 1945, Connecticut resident Alice Marble won the U.S. National Tennis Championship for the second time. Marble, who had previously won the tournament in 1936, went on to win the Wimbledon Championship the following year.

5. In 1960, the USS Nautilus, the world's first nuclear-powered submarine, was launched from a shipyard in Connecticut. The Nautilus was designed to travel faster and farther than conventional submarines, and played a key role in American Cold War strategy. Today, the Nautilus is a museum ship that is open to the public in Groton, Connecticut.