Year 232 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Lepidus and Melleolus (or, less frequently, year 522 Ab urbe condita). The denomination 232 BC for this year has been used since the early medieval period, when the Anno Dominicalendar era became the prevalent method in Europe for naming years.
The Seleucid king Seleucus II Callinicus undertakes an expedition into the interior of Iran to try to regain Parthia, but his efforts come to nothing. According to some sources, he is even taken prisoner for several years by the Parthian king, Arsaces I. Other sources mention that he establishes a peace with Arsaces I by recognising his sovereignty over Parthia.
Despite the opposition of the Roman Senate and of his own father, the Roman political leader Gaius Flaminius Nepos wins the passage of a measure to distribute land among the plebeians. The Romans decide to parcel out land north of Rome (the Ager Gallicus) into small holdings for its poorer citizens whose farms have fallen into ruin during the First Punic War.
Following the death of his mentor, Cleanthes of Assos, Chrysippus of Soli succeeds him as the third head of the Stoic school. The many writings of Chrysippus, about the Stoic doctrines, will later earn him the title of Second Founder of Stoicism.