^ We're taught the same facts, we just don't get taught about it with the same patriotic slant and therefore don't really have the same love and patriotism for the events. Why would we?
I don't think it's something that most British people would be particularly interested in learning more about and it's not even like the USA is the only nation who fought us for their independence, or were given their independence.
But to sum up: We set you up pretty good with the stuff you needed to build on, you decided you could do it on your own and thought that the whole monarchy thing was essentially Disney style faggotory and said "No!, Stop it!", kicked us in the balls and ran off