Which historical event is associated with Crispus Attucks?

Crispus Attucks is most notably associated with the Boston Massacre, which occurred on March 5, 1770. He is often remembered as one of the first individuals to be killed during this event and is considered a symbol of freedom and martyrdom in the struggle against British oppression leading up to the American Revolution.

The Boston Massacre involved a confrontation between British soldiers and American colonists, which escalated into violence and resulted in the deaths of several civilians. Attucks, an African American man, was at the forefront of this incident, and his death galvanized anti-British sentiments among the colonists, further fueling the revolutionary cause.

The other events listed do not connect directly to Crispus Attucks. The Battle of Yorktown was a significant military engagement during the American Revolution but occurred many years later. The Underground Railroad refers to a network that helped enslaved people escape to freedom, while the invention of interchangeable parts is related to advancements in manufacturing, none of which have a connection to Attucks.