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Acron was the king of the Caeninenses, who rejected the proposal of the king of Rome, Romulus, which dictated that Romans intermarry with the locals of Caenina and other times. Romulus, insulted instead kidnaped Latin and Sabine woman and forced them to marry, in an event known as the Rape of the Sabine Woman.
Acron, enraged formed an alliance with the cities of Antemnae, Crustumerium, and the king of Cures, Titus Tatius to fight Rome. Acron invaded Rome, and began to lay waste to the countryside. Romulus however struck back, and attacked the raiders, and even managed to capture Acron's camp. During the Battle of Rome, Acron was slain by Romulus in a duel, and his armor was taken by Romulus as spoils.
Following Acron's death, Romulus marched his army to Caenina, where he attacked and sacked the town. Romulus dictated that the remaining Caeninenses to relinquish their weapons, and ordered many adult males to permanently relocate to Rome. Romulus took even more hostages in the form of children. Romulus then forced the Caeninense to destroy large parts of their city. The Caeninenses never challenged Rome again, following this conflict.
Romulus' Victory Over Acron'