1. On April 17, 1875, the first game of professional baseball in Connecticut was played in Bridgeport. The Bridgeport Nine defeated the New Haven Elm Citys by a score of 5-2.

2. The first recorded tornado in Connecticut history occurred on April 17, 1810. The tornado was described as "terrible" and caused significant damage in the towns of Weston and Newtown.

3. In 1967, the Connecticut Huskies football team held their annual spring game on April 17. The game was played at Memorial Stadium in Storrs and resulted in a 31-0 victory for the blue team over the white team.

4. On April 17, 1975, Governor Ella Grasso signed a bill into law that made Connecticut the first state to allow homosexuals to adopt children.

5. In 2007, the Connecticut Huskies women's basketball team won their second consecutive NCAA championship on April 17. The team, led by All-American Maya Moore, defeated the Tennessee Volunteers 59-46 in Cleveland, Ohio.