The city fell under the sway of Carthage during Hamilcar Barca's Iberian campaign after the First Punic War. Cádiz became a depot for Hannibal's conquest of southern Iberia, and he sacrificed there to Hercules/Melqart before setting off on his famous journey in 218 BC to cross the Alps and invade Italy. Later the city fell to Romans under Scipio Africanus in 206 BC. Under the Roman Republic and Empire, the city flourished as a port and naval base known as "Gades". Suetonius relates how Julius Caesar, when visiting Gades as a quaestor (junior senator) saw a statue of Alexander the Great there and was saddened to think that he himself, though the same age, had still achieved nothing memorable.