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The man from Snopes, he say no:
http://www.snopes.com/history/american/turnhead.asp
(he also says you've been reading Dan Brown books)
The 222 years thing is very much open to interpretation. If the US were known to use military personnel abroad in a year, that was deemed as being at war in that research.
If I am going to be really pedantic, war is a legal status and the US have only technically been at war a handful of times.
Edit: The only formally declared US wars were 1812, Spanish-American, Mexican-American, WWI, and WWII.