Year 235 BC was a year of the pre-Julian Roman calendar.
|Millennium:||1st millennium BC|
|Centuries:||4th century BC – 3rd century BC – 2nd century BC|
|Decades:||260s BC 250s BC 240s BC – 230s BC – 220s BC 210s BC 200s BC|
|Years:||238 BC 237 BC 236 BC – 235 BC – 234 BC 233 BC 232 BC|
- In Rome, the consul Titus Manlius Torquatus does the first ever closing of the gates of the Temple of Janus, signifying peace.
- Aratus of Sicyon brings Megalopolis into the Achaean League.
- The ephor, Lysander, says he has seen a sign from the gods against King Leonidas II of Sparta. Leonidas runs away to avoid his trial. While he is away, Leonidas is removed from the throne and replaced by his son-in-law, Cleomenes III.