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 [[San Francisco]]. | 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 [[San Francisco]]. |