Eumenes I.

Eumenes I ( † 241 BC) was ruler of Pergamon ( 263-241 BC) of the dynasty of Attalids.

Eumenes ' father was also named Eumenes and was the brother of the first ruler of Pergamon Philetairos. His mother was Satyra, daughter of Posidonius. Since Philetairos had no children, he adopted Eumenes and made ​​him his successor. Pergamon dominated at that time only the immediate surroundings of the town and was a semi- autonomous principality dependent on the Seleucids.

In his first years of the reign of Eumenes gained by his victory over Antiochus I at Sardis 261 BC, the Pergamon independence from the kingdom of the Seleucids. He succeeded in extending his territory to the coast and inland towards. Then have survived from his reign no further events. Obviously, also without issue, he adopted his great-nephew Attalus, who succeeded him on the throne.

Eumenes began, probably after his victory over Antiochus, the first Pergamonian ruler to mint coins with the image of the dynasty 's founder Philetairos, which he demonstrated the newfound independence of Pergamon. He was a mercenary revolt enclose (OGIS 226), paid tribute to the Gallic tribes in Inner Asia Minor and turned into a feast in his honor Pergamon, Eumeneia, a. The title of a king but he did not accept.