1. The first recorded hurricane to hit Rhode Island occurred on August 20, 1635. The hurricane caused significant damage to the town of Plymouth, Massachusetts, and other nearby coastal areas as well.

2. On August 20, 1774, the Rhode Island General Assembly passed a resolution urging all inhabitants of the colony to boycott imports from Great Britain. This was one of the earliest actions taken by the colony in support of the American Revolution.

3. August 20, 1856, marked the opening of the first international yacht race, which was held in Newport, Rhode Island. The race, which was won by the American yacht America, later became known as the America's Cup.

4. Rhode Island officially became the 13th state to ratify the United States Constitution on August 20, 1790. This was a significant step in the formation of the new country and helped to solidify the union of the original 13 colonies.

5. On August 20, 2009, the Rhode Island State Senate became the first legislative body in the United States to pass a resolution formally apologizing for its role in the transatlantic slave trade. The resolution acknowledged the state's responsibility for the abominable practice and sought to promote healing and reconciliation among all Rhode Islanders.