His reign coincides with the peak of the Attalid power and is contemporary with important cultural progress, such as the royal libraries and the Great Altar of Pergamum.
Bouchard, Elsa. "Reign of Eumenes II in Pergamum". The Literary Encyclopedia. First published 01 March 2010
[http://www.litencyc.com/php/stopics.php?rec=true&UID=11361, accessed 21 December 2014.]