1. In 1639, the first written constitution in the world, the Fundamental Orders, was adopted by the Connecticut Colony on March 14. This document laid out the framework for democratic governance in the colony and became a model for other states.

2. The first artificial heart implantation in Connecticut took place on March 14, 1984. Dr. William DeVries implanted the Jarvik-7 artificial heart into a patient at Humana Hospital Audubon in Kentucky. While the patient ultimately died after 112 days, the procedure paved the way for further research in the field.

3. On March 14, 1862, the USS Monitor, an ironclad ship built in Connecticut and designed by engineer John Ericsson, engaged in the historic Battle of Hampton Roads during the Civil War. The ship's innovative design was instrumental in changing the course of naval warfare.

4. The Mark Twain House and Museum in Hartford, Connecticut, opened its doors to the public on March 14, 1974. The house was the former home of Mark Twain and his family and is now a popular museum and cultural center.

5. In 1983, Connecticut's Supreme Court ruled on a landmark case known as Horton v. Meskill. The court ruled that the state's education funding system was unequal and violated the state's constitution. This ruling led to significant reforms in the state's education funding system.