1. In 1786, the "Connecticut Evacuation Day" was celebrated. It marked the departure of British troops from New York City at the end of the American Revolution. The event was celebrated with parades and fireworks in New Haven and other parts of the state.

2. In 1842, the Hartford Convention Center was opened. Originally known as the State House, it was built to house the Connecticut state government. Today, it serves as a venue for events and conventions.

3. In 1862, the Battle of Bull Run took place during the Civil War. Connecticut soldiers fought for the Union in the battle, which resulted in a Confederate victory.

4. In 1920, women in Connecticut gained the right to vote. They joined women in other states who had already secured this right under the 19th Amendment to the US Constitution.

5. In 2005, Hurricane Katrina caused widespread damage in Connecticut, even though the state was far from the storm's epicenter in New Orleans. High winds knocked down trees and power lines, causing widespread power outages across the state.