1. In 1820, Massachusetts officially became the 23rd state of the United States. The state had been a colony since its founding in 1620, and played an important role in the American Revolution. Today, it is known for its rich history, diverse economy, and thriving culture.

2. On September 15, 1853, the first intercollegiate rowing race in the United States was held on Lake Quinsigamond in Worcester, Massachusetts. The event was organized by Harvard and Yale, and marked the beginning of a long-standing rivalry between the two schools.

3. In 1963, a devastating fire broke out at the German Club in Boston, killing 13 people and injuring more than 30. The tragedy led to significant changes in fire safety regulations in Massachusetts and throughout the country.

4. On September 15, 1978, Boston College quarterback Doug Flutie threw a "Hail Mary" pass in the final seconds of a game against the University of Miami, leading to a dramatic 47-45 victory. The play is now considered one of the most memorable in college football history.

5. In 2008, a gas explosion damaged dozens of homes in downtown Springfield, Massachusetts, injuring more than 20 people and causing millions of dollars in damages. The incident prompted Massachusetts lawmakers to initiate a comprehensive review of the state's gas infrastructure and safety regulations.