Molon has meanwhile marched west against the…

Molon has meanwhile marched west against the Seleucids, but when Antiochus III moves against him from Syria, Molon's forces desert him, and the revolt ends with the rebel governor's defeat in 220 BCE on the far bank of the Tigris.

(This two-year period is the sole time that the Seleucid kings have lost control of Mesopotamia.)

Antiochus also conquers Atropatene, the northwestern part of Media.

Shortly hereafter, Antiochus has Hermeias killed and is thus rid of most of the influences from the previous By 220 BCE, Antiochus has put down most of the rebellions, but Achaeus will not be defeated until 213 BCE.