Which war do you want to talk about? After all we Brits started most of them.
O.K. Here's one that's not more commonly known about..Argentina. No, not the recent one about a bunch of soddin' islands with some sheep I'm talking about the time we invaded Argentina and got a right pasting in Buenos Aires. Read on.
http://en.wikipedia.org/wiki/British...Do_de_la_Plata
Don't forget that we were fighting most of Europe at that time and not exactly on the best of terms with our colonial cousins..
