1. In 1765, the first official protest against British taxation took place in Boston. The protest, known as the "Stamp Act Riot," was in response to the Stamp Act, which required colonists to pay a tax on all printed materials.

2. In 1781, the Battle of Jersey was fought in Springfield, Massachusetts during the Revolutionary War. The battle was a decisive victory for the American forces, and helped to secure their position in the Northeast.

3. In 1885, the first electric streetcar ran in Massachusetts. The streetcar, which ran in the city of Quincy, was part of a larger effort to modernize the state's transportation infrastructure.

4. In 1920, Boston's Great Molasses Flood occurred. A storage tank filled with molasses burst, sending a wave of molasses through the streets and killing 21 people.

5. In 1969, the Boston Celtics won their 10th NBA championship. The Celtics, led by Bill Russell and John Havlicek, defeated the Los Angeles Lakers in a hard-fought series to cement their place as one of the greatest teams in NBA history.