alternatehistory.com

265 BC

Hiero II decisively defeated the Mamertines at the Longanus River, which caused the Mamertines to appeal to Carthage and Rome, the other powers in the region besides Syracuse, for military aid.



Italy

• The Etruscan city of Volsinii was brought under Roman control.

Arts & sciences

• The Archimedes screw for raising water is devised by the Greek mathematician Archimedes, who is studying at Alexandria.