1. On April 9, 2011, the UConn Huskies women's basketball team won their eighth national championship, defeating the Notre Dame Fighting Irish 63-53 in the NCAA Championship game.

2. On April 9, 1865, the bloodiest battle of the Civil War fought in Connecticut took place in the town of Saybrook. Confederate raiders on the CSS Florida attacked Union gunboats, resulting in the deaths of several soldiers and civilians.

3. On April 9, 1939, Yale University's Sterling Memorial Library opened its doors for the first time in New Haven, Connecticut. The library was named in honor of John William Sterling, a Yale alumnus and philanthropist who donated $17 million to the university.

4. On April 9, 2009, Connecticut became the first state in the United States to legalize same-sex marriage through legislation rather than a court decision. The bill was signed into law by Governor M. Jodi Rell.

5. On April 9, 1927, the first Volvo car rolled off the production line in Sweden. The car was introduced to the United States in 1955 and became popular among Connecticut residents due to its ability to traverse the state's winding roads and snowy winters.