1. On June 26, 1748, Massachusetts Governor William Shirley signed the charter for what would become Princeton University, originally named the "College of New Jersey."

2. In 1819, the Supreme Judicial Court of Massachusetts ruled that African Americans could not be excluded from voting simply because of their race. This decision was an important step towards equal rights for African Americans in the state.

3. On June 26, 1948, the Massachusetts legislature approved the creation of the Massachusetts Turnpike Authority, which would oversee the construction of the Massachusetts Turnpike, a major east-west highway across the state.

4. In 1974, the Boston Red Sox traded future Hall of Famer Carlton Fisk to the Chicago White Sox. Fisk had played 11 seasons with the Red Sox and was a beloved player in Boston. The trade was controversial at the time and is still remembered by many Red Sox fans.

5. On June 26, 2015, the United States Supreme Court ruled in favor of marriage equality in the landmark case Obergefell v. Hodges. The ruling legalized same-sex marriage in all 50 states, including Massachusetts, which had already legalized same-sex marriage in 2004.