1. Connecticut Ratifies the U.S. Constitution - On June 29, 1788, Connecticut became the fifth state to ratify the United States Constitution. The Constitution was first introduced in September 1787, and it took until May 1788 for the required nine states to ratify it.

2. Connecticut's First Female Governor - On June 29, 1990, Lowell Weicker resigned as governor of Connecticut, and his lieutenant governor, Eunice Groark, became the state's first female governor. Groark was also the first third-party governor in Connecticut history, as she was a member of the A Connecticut Party.

3. Mark Twain is Born - Samuel Langhorne Clemens, better known as Mark Twain, was born in Florida, Missouri, on November 30, 1835. However, he spent a significant portion of his life in Connecticut, living in Hartford and Redding. On June 29, 1904, Twain made his final public appearance in Hartford before moving to Europe.

4. Destruction of the HMS Gaspee - On June 29, 1772, the HMS Gaspee, a British customs enforcement ship, ran aground in Narragansett Bay near what is now Providence, Rhode Island. A group of colonial merchants led by John Brown and Abraham Whipple then boarded the ship, beat the crew, and set it on fire.

5. Mystic Pizza Opens for Business - On June 29, 1973, the iconic Mystic Pizza restaurant opened for business in Mystic, Connecticut. The restaurant was made famous in the 1988 romantic-comedy film of the same name, starring Julia Roberts. Mystic Pizza still operates today and remains a popular tourist attraction in Connecticut.