1. In 1732, Massachusetts’ first circulating library was established in Boston. The library would eventually become the Boston Public Library, which is now the third-largest public library system in the United States.

2. In 1775, the Continental Congress authorized the creation of the Marine Corps, which is now the oldest active duty force within the Department of Defense. The Marine Corps has a strong presence in Massachusetts, with several bases and training facilities located throughout the state.

3. In 1831, the first issue of William Lloyd Garrison’s anti-slavery newspaper, The Liberator, was published in Boston. Garrison was a prominent abolitionist and one of the leading voices of the anti-slavery movement in Massachusetts and the United States.

4. In 1851, Massachusetts became the first state to pass a comprehensive labor reform law, which established a 10-hour workday and required employers to provide a safe working environment for their employees. The law was seen as a major victory for the labor movement, which was gaining momentum in Massachusetts and across the United States.

5. In 1969, Harvard University held the first intercollegiate game of Ultimate Frisbee. Ultimate Frisbee, which was invented in the 1960s by a group of students at Columbia High School in New Jersey, has since grown into a popular worldwide sport, with thousands of teams and players competing at all levels.