1. In 1824, the Bunker Hill Monument Society was established in Massachusetts to begin planning the design and construction of the Bunker Hill Monument to commemorate the Battle of Bunker Hill during the American Revolution.

2. On December 1, 1869, the first meeting of the Massachusetts Woman Suffrage Association was held in Boston, marking a key moment in the fight for women's right to vote.

3. In 1913, the Boston Braves baseball team moved into their new stadium, Fenway Park, which would become one of the oldest and most iconic ballparks in Major League Baseball.

4. On December 1, 1955, Rosa Parks was arrested for refusing to give up her seat on a Montgomery, Alabama bus, sparking the Montgomery Bus Boycott, a significant event in the Civil Rights Movement that would eventually lead to the desegregation of public transportation.

5. In 2002, Massachusetts became the first state in the United States to legalize same-sex marriage, following a ruling by the state's Supreme Judicial Court striking down a ban on same-sex marriage as unconstitutional.