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[[File:Powhatan.jpg|right|thumb|320px|The ''Powhatan'' as rendered in stained glass at the Yokohama Port Opening Memorial Hall]]

[[File:Powhatan.jpg|right|thumb|320px|The ''Powhatan'' as rendered in stained glass at the [[Yokohama Port Opening Memorial Hall]]]]

The USS ''Powhatan'' was a United States Navy frigate. It was one of the so-called "black ships" that entered [[Edo]] Bay in [[1854]], and the site of the signing of the [[Harris Treaty]] in [[1858]]; in [[1860]], it carried the [[1860 Japanese Embassy to the United States|first Japanese embassy to the United States]] from [[Yokohama]] to Panama, where the embassy crossed the isthmus by rail, and continued on to Washington DC onboard the USS ''Roanoke''.

The USS ''Powhatan'' was a United States Navy frigate. It was one of the so-called "black ships" that entered [[Edo]] Bay in [[1854]], and the site of the signing of the [[Harris Treaty]] in [[1858]]; in [[1860]], it carried the [[1860 Japanese Embassy to the United States|first Japanese embassy to the United States]] from [[Yokohama]] to Panama, where the embassy crossed the isthmus by rail, and continued on to Washington DC onboard the USS ''Roanoke''.