1. In 1775, the Revolutionary War began in Massachusetts with the battles of Lexington and Concord, which marked the first military engagements of the war. These conflicts are celebrated annually as Patriotic Day in Massachusetts.

2. On April 26, 1792, the Massachusetts Society for the Suppression of Intemperance was formed. This organization aimed to curb the consumption of alcohol, which was seen as a major social problem at the time.

3. In 1904, a devastating tornado tore through Worcester, Massachusetts, killing 94 people and causing significant damage to the city. It remains one of the deadliest tornadoes in American history.

4. In 2007, a massive manhunt was launched in Massachusetts for the Boston Marathon bombers, Dzhokhar and Tamerlan Tsarnaev. The search lasted for several days and ended with Tamerlan being killed in a shootout with police, while Dzhokhar was captured and later sentenced to death.

5. On April 26, 2018, the Massachusetts Supreme Judicial Court ruled that the state's ban on stun guns violated the Second Amendment right to bear arms. The decision overturned a previous ruling that upheld the ban, and stun guns are now legal to own and carry in Massachusetts.