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.
Citation:
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 25 May 2013.]