8th April » Roman Emperor Caracalla is assassinated. He is succeeded by his Praetorian Guard prefect, Marcus Opellius Macrinus.
21st June » The Romans, led by Gaius Flaminius Nepos known as Gaius Flaminius, are ambushed and defeated by Hannibal at the Battle of Lake Trasimene.
22nd June » Battle of Raphia: Ptolemy IV Philopator of Egypt defeats Antiochus III the Great of the Seleucid kingdom.
20th December » The papacy of Pope Zephyrinus Zephyrinus ends. Pope Callixtus I Callixtus I is elected as the sixteenth pope, but is opposed by the theology theologian Hippolytus of Rome Hippolytus who accuses him of laxity and of being a Sabellianism Modalist, one who d