1. In 1930, the Rhode Island State Police was established. This was an important development in Rhode Island history as it marked the beginning of a professional, statewide police force that could respond to emergencies across the state.

2. On March 9, 1776, the Rhode Island General Assembly voted to become the first colony to renounce allegiance to King George III of England. This bold move paved the way for other colonies to declare independence and ultimately led to the founding of the United States.

3. The Newport Tower, a mysterious stone structure located in Newport, Rhode Island, was supposedly discovered by chance on March 9, 1837, though the exact date of its discovery is disputed. The tower's origin and purpose remain a subject of speculation and debate among historians and archaeologists.

4. On March 9, 1963, the Providence Civic Center (now the Dunkin' Donuts Center) opened its doors for the first time. The arena has hosted a wide range of events over the years, including concerts, sporting events, and political rallies.

5. In 1972, a bomb exploded at the Newport Army Reserve Center, killing one person and injuring several others. The incident drew national attention and highlighted the growing anti-war sentiment in the United States during the Vietnam War era. The perpetrators of the bombing were never caught.