The outbreak of the American Revolution in 1775 can fairly be called an act of violence. The American colonies in the early days of the conflict were pretty evenly split between loyalists and revolutionaries. The latter ultimately won the day in large part by burning down loyalists’ houses or tarring and feathering them, sending some of the loyalists into exile in Canada or the Caribbean and encouraging others to stay low lest they be attacked, too.
These facts don’t get talked about much in the American school system, because like in most countries the public school system seeks to perpetuate a national mythology for the sake of civic unity. However, revolutions anywhere in the world tend to initially play out as a civil war of sorts among the country’s own people, and the American Revolution was no exception.