Which 1773 protest is included among the Revolutionary-era milestones leading into America250?

The Boston Tea Party was the 1773 protest included among the Revolutionary-era milestones leading into America250.

On December 16, 1773, colonists in Boston boarded ships and threw chests of East India Company tea into Boston Harbor. The protest opposed the Tea Act and the broader principle that Parliament could tax colonists who lacked elected representation in that body.

The British government responded with the Coercive Acts, called the Intolerable Acts by many colonists. Those measures tightened control over Massachusetts and helped encourage colonial cooperation. The First Continental Congress met in 1774, and armed conflict began at Lexington and Concord in April 1775.

The Boston Tea Party was not the start of the Declaration process itself, but it was a major escalation in the chain of events that led to independence. It is also distinct from the Boston Massacre of 1770, an earlier confrontation between soldiers and civilians.