Pergamos, an ancient city of Mysia, in Asia Minor; founded by a colony of Greek emigrants in 3rd century B.C., and eventually the centre of a province of the name, which was subject for a time to Macedonia, but threw off the yoke and became independent, till it became a Roman province by bequest on the part of Attalus III. in 133 B.C. The city possessed a library second only to that of Alexandria, contained one of the seven churches mentioned in the Revelation, and gave its name to parchment, alleged to have been invented there.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Pergamos * Peri