Answer:
March 5, 1770. A public riot that ended in a deadly outcome. The civilians of Boston, Massachusetts were rioting against the British and the British soldiers shot several of them dead. On the propaganda view of things, it looks as if (in the famous Boston Massacre picture) the soldiers are firing at the civilians willingly on their own accord. In reality, they felt threatened that and panicked. The attacked out of self defense, but the people of Massachusetts turned this against them. The British increasing taxes and making the colonists do things they didn't want to do led up to events such as the Boston Massacre.
3 years later and the Boston Tea party of 1773 occurred, where several colonists disguised as American Indians, went to the ships of the British, and dumped three ship loads of tea into the harbour. They did this because they were being tazed for their tea, which they didn't like.