23   The consuls subdue the Istrians. 25   Hannibal subdues the Olcades. 37   Fabius Maximus (? or Minucius) is forced to resign as dictator . 220 B.C. 7   The Aetolians invade Messenia. 13   Ptolemaeus is dominated by his concubine Agathocleia, and gives himself up to a life