1. In 1848, the Massachusetts State Reform School, now known as the Lyman School for Boys, was established in Westborough. It was the first state-operated reform school in the United States.

2. On July 11, 1898, the United States Congress declared war on Spain, marking the beginning of the Spanish-American War. Massachusetts played a significant role in the war effort, with thousands of soldiers from the state serving in the armed forces.

3. The infamous Salem Witch Trials officially began on July 11, 1692, when a grand jury was first convened to investigate the claims of witchcraft in the town. The trials ultimately led to the execution of 20 people accused of witchcraft.

4. In 1921, Yankee Stadium, the iconic home of the New York Yankees, was opened. While the stadium is located in New York, it was designed by Boston-based architectural firm Osborn Engineering Co.

5. On July 11, 1984, the Boston Celtics signed Larry Bird to a then-record five-year, $15 million contract. Bird went on to lead the team to three NBA championships and was named league MVP three times during his tenure with the Celtics.