Same for the Revolution...the intolerable acts, Boston Massacre...most common people think 1776 but that was simply the Declaration and the official birth date of the nation...Lexington & Concord April 19, 1775 is recognized as the official start to hostilities. But Americans were bred with Liberty in their DNA from the start...it merely took several generations to percolate, mature and be challenged by oppression.
That's why doing this yearly project is taking me forever, I keep finding more.
One example; The Crown in Britain was so upside down from all the years they had keeping their territories all around the world together, that was one of the reasons they tried to levy all the taxes {i.e.} Stamp Act etc ,on the colonies [US]. Well even after we won they couldn't let it go - causing them to try increasing tariffs on us, to pay some of their bills, which we retaliated by increasing ours for the same reasons - until both sides hit the breaking point by 1812.