In the first part of the war, Rome won the alliance of the town Hieron in north-east Sicily. This offensive was led by Claudius and Marcus Valerius Messalla in 263 BC. The Romans won further in 262
A dispute erupts in the Sicilian city of Messana. Scicilians on one side call for the help of Carthage. The other side gains support of Rome. First Punic War begins
Battle of Drepanum- Carthaginian victory on land and sea.