Italian Irredentism and Post‑Unification Nationalist Movements (1861–1919)

1. Kingdom of Italy proclaimed, unity still incomplete

   Mar 17, 1861Labels: Kingdom of, Victor Emmanuel

   • Britannica
   • Britannica

2. Venetia annexed after the Third Independence War

   Oct 19, 1866Labels: Venetia, Austro-Hungarian Empire

   • Britannica
   • Treccani

3. Rome captured, unification completed in law

   Sep 20, 1870Labels: Rome, Risorgimento

   • Britannica
   • Treccani

4. Imbriani popularizes “terre irredente” idea

   Jan 1, 1877Labels: Matteo Imbriani, Terre Irredente

   • Treccani
   • Irredentism

5. Associazione pro Italia Irredenta founded

   Jan 1, 1877Labels: Associazione pro, Matteo Imbriani

   • Treccani
   • Irredentism

6. Italy joins the Triple Alliance with Austria-Hungary

   May 20, 1882Labels: Triple Alliance, Italy

   • Britannica
   • GHDI

7. Oberdan executed, becomes irredentist martyr

   Dec 20, 1882Labels: Guglielmo Oberdan, Trieste

   • Oberdan
   • Italian irredentism

8. Società Dante Alighieri founded to promote Italian culture

   Jan 1, 1889Labels: Societ Dante, Italian culture

   • Dante Society
   • Treccani

9. Secret Treaty of London promises Italy border gains

   Apr 26, 1915Labels: Treaty of, Allies

   • Treaty London
   • HISTORY

10. Cesare Battisti executed after capture by Austria-Hungary

    Jul 12, 1916Labels: Cesare Battisti, Trentino

    • 1914 1918
    • Italian irredentism

11. Armistice of Villa Giusti ends fighting on Italian Front

    Nov 3, 1918Labels: Armistice of, Austria-Hungary

    • Villa Giusti
    • Britannica

12. Treaty of Saint-Germain cedes Trentino and Trieste to Italy

    Sep 10, 1919Labels: Treaty of, Trentino

    • Britannica
    • Saint Germain

13. D’Annunzio seizes Fiume, radicalizing postwar nationalism

    Sep 12, 1919Labels: Gabriele D'Annunzio, Fiume

    • Fiume
    • Italian irredentism

14. Postwar settlement leaves unresolved Adriatic claims

    Dec 31, 1919Labels: Adriatic claims, Postwar settlement

    • Italian irredentism
    • Saint Germain