Since 1775, when General George Washington first lead soldiers into battle
Didn’t think George took charge in the field until 1776 outside of Boston.
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You can hit abuse on yourself and ask moderators to remove your post if you are embarrassed by your blunder.
I wonder why you would think that the Army does not know how many years they have been in existence?
Not at all.... There was no USA until the war was won. And the the link that the gent sent earlier spoke of militia and not a US Army specifically... and infact the armies came from the States.....not a central govt.....
Maybe you should go do a bit of reading on the matter and stop believing every propaganda thing the Army puts out. Ignorance and gullibility is quite embarrassing in case you didn't know.