1. On March 26, 1827, the first stone arch railroad bridge in the United States opened near the village of New Milford. The bridge was designed by Connecticut resident James Madison Porter and was an important engineering feat in its time.

2. In 1848, on March 26th, the Connecticut General Assembly passed an act that allowed free public schools to be established throughout the state. This was a historic step towards universal education for all Connecticut children.

3. On March 26, 1859, the first steam-powered fire engine in the United States was tested in New Haven. The engine was called the "Cataract" and was created by the internationally renowned innovator, Sikorsky Aircraft.

4. In 1937, the Connecticut River at Hartford experienced a major flood that caused widespread damage throughout the city. The floodwaters were caused by heavy rain and snowmelt and led to the evacuation of thousands of residents. The flood crested on March 26th and caused millions of dollars in damages.

5. In 1973, on March 26th, the Connecticut Supreme Court issued a landmark ruling in the case of Roe v. Wade, which extended the right to privacy to women seeking abortions. This ruling led to a national debate on reproductive rights and remains controversial to this day.