The rivalry was older than Italy's entry into World War I. Austria-Hungary had tried to prevent Italian unification, making the naval contest more bitter than a sudden wartime quarrel. Italy's territorial ambitions and the legacy of Austrian rule in northern Italy deepened that hostility. The Adriatic campaign inherited decades of political and territorial resentment, which helps explain its recurring grudge-match character.
Notable Point · 1:50:08-1:50:39
Why Italy and Austria-Hungary carried an old grudge
Habsburg opposition to Italian unification, Austrian rule in northern Italy, and territorial rivalry help explain the campaign's exceptional bitterness.