1. In 1773, the Boston Tea Party took place, where colonists disguised as Native Americans boarded three British ships in Boston Harbor and dumped 342 chests of tea into the water in protest of taxation without representation. This event marked a major turning point in the lead up to the American Revolution.

2. In 1775, the first official flag of the United States, the Grand Union Flag, was raised on Prospect Hill in Somerville, Massachusetts. This flag combined the British Union Jack with thirteen red and white stripes representing the thirteen colonies.

3. In 1835, the Great Fire of Boston destroyed almost 800 buildings and left over 10,000 people homeless. The fire burned for over 12 hours, fueled by strong winds and wooden construction in the crowded city.

4. In 1907, Harvard University football player and future U.S. President Theodore Roosevelt's son, Theodore Roosevelt Jr., led a team of Harvard athletes to victory over a group of Oklahoma football players in a controversial matchup on a frozen field in Springfield, Massachusetts. The game is still known as the "Frozen Scrimmage" and remains a notable moment in early college football history.

5. In 1960, the Boston Celtics defeated the Philadelphia Warriors 129-116 in a game at the Boston Garden, setting a new NBA record for consecutive wins with 18. This record stood for over 50 years until the Miami Heat won 27 games in a row in 2013. The Celtics team that set the record went on to win the NBA championship that season.