1. On May 10, 1790, Rhode Island became the 13th state to ratify the United States Constitution. As a result, Rhode Island became the last of the original 13 colonies to enter the federal union.

2. May 10, 1900, marks the date of the debut of the first automobile race in Rhode Island. Known as the "Providence Automobile Race," the event was held at the Cranston Street Fairgrounds and drew a large crowd of spectators.

3. In 1973, the Rhode Island State House was designated as a National Historic Landmark on May 10. The State House, located in downtown Providence, is home to the offices of the governor and the Rhode Island General Assembly.

4. The Providence Bruins, the American Hockey League affiliate of the Boston Bruins, won their first Calder Cup championship on May 10, 1999. The Bruins defeated the Rochester Americans in the final round of the playoffs.

5. On May 10, 2007, the University of Rhode Island announced the creation of the Rhode Island Energy Center. The facility, located in South Kingstown, is a research center dedicated to the development and implementation of sustainable energy technologies.