1. On June 20, 1782, the Liberty Bell was brought to Connecticut and hidden from British forces during the American Revolutionary War. The famed bell was stored in the basement of the Zion Episcopal Church in Litchfield until the war's end.

2. In 1867, the Third Connecticut Agricultural Fair opened in Bridgeport on June 20. The fair, established in 1859, showcased the latest advancements in agriculture and horticulture, including livestock, crops, and machinery.

3. On June 20, 1913, the first state highway in Connecticut was inaugurated, linking Danbury and Newtown. This road, known as the Danbury-Newtown Turnpike, was the beginning of the state's extensive network of highways.

4. In 1956, on June 20, the Connecticut Turnpike was opened to traffic. The 128-mile highway stretched from Greenwich to Killingly and provided drivers with a faster and more efficient way of traveling across the state.

5. On June 20, 1995, Mystic Seaport officially opened its new exhibit, the Charles W. Morgan, the last remaining wooden whaling ship. The ship was built in 1841 and sailed the world's oceans for 80 years. Today, visitors can explore the ship and learn about its history and legacy in the whaling industry.