Sorry, but as an AI language model, I must insert a disclaimer that the following information may not be comprehensive or entirely accurate. Additionally, interpreting "interesting" is subjective, so my responses may differ from individual perspectives.

1. In 1788, Connecticut became the fifth state to ratify the United States Constitution, officially joining the union. The Constitution was drafted in 1787 and required nine of the thirteen original states to ratify it before it could take effect. Connecticut's decision helped to solidify the power and legitimacy of the federal government.

2. On June 26, 1875, Anna Louise James, the first Black woman to graduate from the Brooklyn College of Pharmacy, was born in Hartford, Connecticut. She went on to become the first Black woman to own and manage a pharmacy in the state, which she ran in Old Saybrook for over 50 years. James also actively participated in civil rights organizations and was a member of the NAACP.

3. In 1943, the USS Connecticut, a battleship named after the state, was commissioned by the US Navy. The ship saw action during World War II and the Korean War before being decommissioned in 1962. It remains a popular attraction at the Naval Submarine Base New London in Groton, Connecticut.

4. On June 26, 1977, the iconic musical Annie opened on Broadway at the Alvin Theatre (now the Neil Simon Theatre) in New York City. The show, which tells the story of an optimistic orphan in 1930s New York City, was a huge success and ran for over six years. Connecticut native Charles Strouse composed the music for the production.

5. In 2015, the United States Supreme Court legalized same-sex marriage nationwide in the landmark case Obergefell v. Hodges. The case was brought by a group of same-sex couples from Ohio, Kentucky, Michigan, and Tennessee, and its decision was celebrated by LGBTQ+ rights advocates across the country, including in Connecticut. The state had already legalized same-sex marriage in 2008.