1. On March 13, 1633, the first settlement in Connecticut was established by English Puritans who arrived in Windsor. They were led by Reverend John Wareham and landed on the banks of the Farmington River.

2. On March 13, 1782, the first recorded sighting of the "Yankee Whaleship" in Connecticut was made. The ship, which was captained by John Cleverly, was returning from a successful whale hunting expedition in the South Pacific.

3. On March 13, 1852, the Connecticut State Library was established. Today, it is the largest public library in the state and serves as a valuable resource for research, education, and preservation of historical documents.

4. On March 13, 1890, the Hartford Courant, one of the oldest continuously published newspapers in the United States, published its first Sunday edition.

5. On March 13, 1996, the Connecticut River flooded due to heavy rain and melting snow. The disaster resulted in severe property damage, the evacuation of thousands of residents, and the loss of several lives. The flood was the worst in the state's history since Hurricane Diane in 1955.