[2] The term Mare Nostrum originally was used by the Ancient Romans to refer to the Tyrrhenian Sea after their conquest of Sicily, Sardinia and Corsica during the Punic Wars with Carthage.
By 30 BC, Roman dominion had extended from the Iberian Peninsula to Egypt, and Mare Nostrum began to be used in the context of the whole Mediterranean Sea.
Mussolini wanted to re-establish the greatness of the Roman Empire and believed that Italy was the most powerful of the Mediterranean countries after World War I.
[7][8] When World War II started, Italy was already a major Mediterranean power that controlled the north and south shores of the central basin.
The invasions of Albania, Greece, Yugoslavia and Egypt, and the Siege of Malta sought to extend Axis control over the Sea.