I think the great unsung hero’s of the American cause are the Spanish.
Principally Bernardo de Gálvez Spanish governor of Louisiana and Admiral José Solano y Bote who took Pensacola and drove the British out of Florida. A vital but under studied part of the war I think.
I was talking to some Americans on twitter yesterday and I got the Impression that Lafayette though perhaps popularly known to have taken part, is not so well known in the whole. I have to admit there is little around about him that I’ve seen.