1. In 1639, the first printing press was established in Massachusetts Bay Colony, marking the beginning of the colony's printing industry.

2. In 1776, Abigail Adams famously wrote a letter to her husband John Adams, urging him to "remember the ladies" in the creation of the new American government.

3. In 1807, the African Meeting House opened in Boston, becoming the first black church building in the United States.

4. In 1854, the Massachusetts State Republican Party was founded in Worcester, ushering in a new era of political power for the party in the state.

5. In 1927, Massachusetts native Sacco and Vanzetti were sentenced to death for a crime they likely did not commit, sparking nationwide protests and becoming a symbol of injustice and corruption in the American justice system.