1. In 1776, The Constitution of Massachusetts was adopted. It became the oldest functioning written constitution in continuous effect in the world. It was a model for the United States Constitution which was later adopted in 1789.

2. In 1890, the Boston Braves Baseball Club (now the Atlanta Braves) was established. The team played in Boston until 1953 before moving to Milwaukee and then eventually to Atlanta.

3. In 1914, the Boston Red Sox began using Fenway Park as their regular season home field. Fenway Park is the oldest ballpark in Major League Baseball and is still home to the Boston Red Sox.

4. In 1933, Franklin D. Roosevelt declared a bank holiday, shutting down the country’s banks to restore public confidence. This marked the beginning of the New Deal, a series of programs and reforms aimed at addressing the effects of the Great Depression.

5. In 1971, Massachusetts became the first state to recognize the legal rights of same-sex couples. The ruling was made by the Supreme Judicial Court in the case of Goodridge v. Department of Public Health. This eventually led to the legalization of same-sex marriage in Massachusetts in 2004, the first state in the United States to do so.