Attalus III was the last king of Pergamum. At his death he bequeathed his kingdom to Rome, and the Roman province of Asia was created.
Bouchard, Elsa. "Death of Attalus III of Pergamum". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11381, accessed 10 March 2014.]