Pyrrhus of Epirus

Pyrrhus invades Italy - Greek king brings war elephants to help Tarentum, defeats Romans at Heraclea

Battle of Asculum - Pyrrhus wins but loses best troops, 'one more such victory and I am lost' - origin of 'Pyrrhic victory'

Battle of Beneventum - Romans defeat Pyrrhus using anti-elephant tactics, Greek intervention ends, Rome controls southern Italy