Old Roman Empire is reunited by Justinian, the Byzantine emperor.
Lombards (a German tribe) invades Italy and divides it into 2 regions: Papal States and Eastern Roman Empire.
Papal States are established in Central Italy.
Pepin the Short, a Frankish King, conquers the Lombards for the Popes in Rome.
Otto the Great, King of German, is crowned king. This brings on the beginning of the Holy Roman Empire.
Napoleon (not Dynamite, but Bonaparte) declares himself emperor of Italy.
Napoleon abdicates thrown. This divides Italy up into kingdoms- Venice, Rome, Sardinia, Tuscany, et al.
Fascist Party gains control of Italy. Benito Mussolini is Prime Minister.
Italy conquers Albania and Mussolini sides with Hitler and Fascist Germany.
Italy abolishes Monarchy and officially form the Italian Republic.