The archaeological remains are from the Pre-Nuragic and Byzantine periods. Art and literature tells us the history of the Giudicati period up to now.

Rome begins exerting its political, economic and military power in the Mediterranean at a time when it started relations with Cartagena. Sardinia in the XI century was subdivided into juridical entities which retained the power of a state.

Carl Emanuel IV of Savoy, king of Sardinia takes refuge in Cagliari 3 March 1799 after Piedmont was occupied by the French.

The Second World War ends in Sardinia with the non-aggression pact signed on 8 September 1943 with support of the American Allies.