Boston Tea Party BTP - is the event that happened in 1773. It lead finally to the American Revolution against the British government.
British government enforced a Tea act in 1773 on the Americans. In a protest organized by the Sons of liberty of Boston, some demonstrators went into the ship that was sent by the East India co., at the Boston harbor, They threw down all the chests (boxes) of tea in to the ocean. British government took a firm action and then the protests grew into a revolution, that got them independence.