1. In 1789, Connecticut became the fifth state to ratify the United States Constitution.
2. In 1838, a group of abolitionists led by Gilbert Griswold gathered in Farmington to plan the Amistad Case, which would ultimately result in the freedom of a group of enslaved Africans who had revolted on the ship Amistad.
3. In 1863, the Union Army led by Major General Joseph Hooker defeated Confederate forces led by Lieutenant General James Longstreet in the Battle of Lookout Mountain, a crucial conflict in the Chattanooga campaign of the American Civil War.
4. In 1923, the Connecticut River reached its highest recorded level, causing severe flooding throughout the state.
5. In 1969, the first permanent bridge across the Connecticut River between Connecticut and Massachusetts opened, connecting the towns of Enfield and Suffield.