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{{Infobox military conflict |conflict=Italian Front |partof=World War I |image= Italian front (World War I).jpg |caption=From left to right: Ortles, autumn 1917; Fort Verena, June 1915; Mount Paterno, 1915; Carso, 1917; Toblach, 1915. |place=Eastern Alps and Venetian Plain |date= 23 May 1915 – 6 November 1918
(3 years, 5 months and 1 week)

|result=Italian / Entente victory
Armistice of Villa Giusti
Collapse of the Austro-Hungarian Empire

Italian Regency of Carnaro
Free State of Fiume
Treaty of Saint-Germain-en-Laye
Treaty of Trianon

|combatant1=Flag of Italy (1861-1946).svg Italy
1915 - up to 58 Divisions
Flag of the United Kingdom.svg British Empire
1917 - 3 Divisions
Flag of France.svg France]]
1918 - 2 Divisions
[[File:Flag of Bohemia.svg|22px Czechoslovak legions
1918 - 5 Regiments
US flag 48 stars.svg United States
1918 - 1 Regiment |combatant2=Flag of Austria-Hungary 1869-1918.svg Austria-Hungary
1915 - up to 61 Divisions
Flag of the German Empire.svg German Empire
1917 - 5 Divisions |commander1=Flag of Italy (1861-1946).svg Luigi Cadorna
Flag of Italy (1861-1946).svg Emanuele Filiberto
Flag of Italy (1861-1946).svg Armando Diaz
Flag of the United Kingdom.svg Lord Cavan |commander2=Flag of Austria-Hungary 1869-1918.svg C. von Hötzendorf
Flag of Austria-Hungary 1869-1918.svg Svetozar Boroević
Flag of Austria-Hungary 1869-1918.svg A. von Straussenburg
Flag of the German Empire.svg Otto von Below |strength1=5,000,000 |strength2=8,000,000 |casualties1=651,000 killed
953,886 wounded[1] |casualties2=404,000 killed
1,207,000 wounded[2] |}}

The Italian Front (Italian language: Fronte italiano

in German language
Gebirgskrieg, "Mountain war") refers to a series of battles fought between 1915 and 1918 in northern Italy between the armies of Austria-Hungary and Germany against Italy. Italy hoped that by joining the countries of the Triple Entente against the Central Powers it would gain Cisalpine Tyrol (today's provinces of Trentino and South Tyrol), the Austrian Littoral, northern Dalmatia and some areas of western Carniola.

Italy had hoped to begin the war with a surprise offensive intended to move quickly and capture several Austrian cities. The war soon bogged down into trench warfare similar to the Western Front fought in France.

Background events

While being a member of the Triple Alliance with Austria-Hungary and Germany, Italy did not declare war in August 1914, arguing that the Alliance was defensive in nature and therefore that Austria-Hungary's aggression did not obligate Italy to take part.[3] Italy had a longstanding rivalry with Austria-Hungary, dating back to the Congress of Vienna in 1815 after the Napoleonic Wars, which granted several regions on the Italian peninsula to the Austrian Empire.[3] More importantly, a radical nationalist political movement, called Unredeemed Italy (Italia irredenta), founded in the 1880s, started claiming the Italian-inhabited territories of Austria Hungary, especially in the Austrian Littoral and in the County of Tyrol. By the 1910s, the expansionist ideas of this movement were taken up by a significant part of the Italian political elite. The annexation of those Austrian territories (inhabited not only by Italians, but also by ethnic Germans and South Slavs) became the main Italian war goal, assuming a similar function as the issue of Alsace-Lorraine had for the French.[3]

In the early stages of the war, Allied diplomats courted Italy, attempting to secure Italian participation on the Allied side, culminating in the Treaty of London of 26 April 1915 in which Italy renounced her obligations to the Triple Alliance.[4] On 23 May, Italy declared war on Austria-Hungary.[4]

Italy's entry was engineered in secret by the 1915 Treaty of London. Set up between the British Foreign Secretary Edward Grey, the Italian Foreign Minister Sidney Sonnino and the French Foreign Minister Jules Cambon.

On February 16, 1915, despite concurrent negotiations with Austria, a courier was dispatched in great secrecy to London with the suggestion that Italy was open to a good offer from the Entente. [ ...] The final choice was aided by the arrival of news in March of Russian victories in the Carpathians. Salandra began to think that victory for the Entente was in sight, and was so anxious not to arrive too late for a share in the profits that he instructed his envoy in London to drop some demands and reach agreement quickly. [...] The Treaty of London was concluded on April 26 binding Italy to fight within one month. [...] Not until May 4 did Salandra denounce the Triple Alliance in a private note to its signatories.[5]

Campaigns of 1915–1916

The Italian Front in 1915–1917: eleven Battles of the Isonzo and Asiago offensive. In blue, initial Italian conquests
Italian Alpini troops; 1915

First battles of Isonzo river

Italy opened the war with an offensive aimed at capturing the town of Gorizia on the Isonzo river, and capturing the highlands on the Kras plateau and in the western Julian March, which would enable them to secure a further advance towards Trieste, Fiume, Kranj and Ljubljana.

At the beginning of the offensive, Italian forces outnumbered the Austrians by three-to-one, but failed to penetrate their strong defensive lines along the Julian Alps and the north-western highlands of the Goriška region. This was mostly due to the Austrian forces being based on higher ground, and so Italian offensives had to be conducted climbing. Despite a professional officer corp, Italian units were severely undertrained and deficient in morale.[6] As with most contemporaneous militaries, the Italian army primarily used horses for transport, and these failed to move supplies fast enough in the tough terrain of the Alps. Also, the newly appointed Italian commander, Luigi Cadorna, was highly unpopular amongst his men.[7] Moreover, equipment and munition shortages suffered during the Turkish War in Libya (1911–1912) slowed progress and frustrated all hopes for a "Napoleonic style" breakout.[8] Two weeks later, the Italians attempted another frontal assault with more artillery but were beaten back again. Another attack was mounted from 18 October to 4 November with 1,200 heavy guns, which again resulted in no gain.

The Asiago offensive

Following Italy's stalemate, the Austrians began planning a counteroffensive (Battle of Asiago) in Trentino and directed over the plateau of Altopiano di Asiago, with the aim to break through to the Po River plain and thus cutting off the II., III., and IV. Italian Armies in the North East of the country. The offensive began on 11 March 1916 with 15 divisions, and resulted in no gain.

Later battles for the Isonzo

[[File:Bundesarchiv Bild 146-1970-073-25, Isonzo-Schlacht, Trainkolonne am Moistroka-Pass.jpg|thumb|220px|The Austro-Hungarian supply line over the Vršič pass, October 1917]] Later in 1916, four more battles along the Isonzo river erupted. The Sixth Battle of the Isonzo, launched by the Italians in August, resulted in a success greater than the previous attacks. The offensive gained nothing of strategic value but did take Gorizia, which boosted Italian spirits. The Seventh, Eighth, and Ninth battles of the Isonzo (14 September – 4 November) managed to accomplish little except to wear down the already exhausted armies of both nations.

The frequency of offensives for which the Italian soldiers partook between May 1915 and August 1917, one every three months, was higher than demanded by the armies on the Western Front. Italian discipline was also harsher, with punishments for infractions of duty of a severity not known in the German, French, and British armies.[9]

Shellfire in the rocky terrain caused 70% more casualties per rounds expended than on the soft ground in Belgium and France. By the autumn of 1917 the Italian army had suffered most of the deaths it was to incur during the war, yet the end of the war seemed to still be an eternity away.[9] This was not the same line of thought for the Austrians. On 25 August, the Emperor Charles wrote to the Kaiser the following: "The experience we have acquired in the eleventh battle has led me to believe that we should fare far worse in the twelfth. My commanders and brave troops have decided that such an unfortunate situation might be anticipated by an offensive. We have not the necessary means as regards troops."[10]

On 13 December 1916, known as 'White Friday', 10,000 soldiers were killed by avalanches in the Dolomites.[11]

1917: Germany arrives on the front

The Battle of Caporetto and the following Italian retreat to the Piave river, October–November 1917.

Following the minuscule gains of the Tenth Battle of the Isonzo, the Italians directed a two-pronged attack against the Austrian lines north and east of Gorizia. The Austrians checked the advance east, but Italian forces under Luigi Capello managed to break the Austrian lines and capture the Banjšice Plateau. Characteristic of nearly every other theater of the war, the Italians found themselves on the verge of victory but could not secure it because their supply lines could not keep up with the front-line troops and they were forced to withdraw.

The Austrians received desperately needed reinforcements after the Eleventh Battle of the Isonzo from German Army soldiers rushed in after the Russian offensive ordered by Kerensky of July 1917 failed. The Germans introduced infiltration tactics (Hutier tactics) to the Austrian front and helped work on a new offensive. Meanwhile, mutinies and plummeting morale crippled the Italian Army from within. The soldiers lived in poor conditions and engaged in attack after attack that often yielded minimal or no military gain. On 24 October 1917 the Austrians and Germans launched the Battle of Caporetto (Italian name for Kobarid) with a huge artillery barrage followed by infantry using Hutier tactics, bypassing enemy strong points and attacking on the Italian rear. At the end of the first day, the Italians had retreated 12 miles to the Tagliamento River.

1918: The war ends

Battle of the Piave River (June 1918)

Advancing deep and fast, the Austrians outran their supply lines, which forced them to stop and regroup. The Italians, pushed back to defensive lines near Venice on the Piave River, had suffered 600,000 casualties to this point in the war. Because of these losses, the Italian Government called to arms the so-called 99 Boys (Ragazzi del '99), that is, all males who were 18 years old. In November 1917, British and French started to bolster the front line. Far more decisive than Allied help in troops was Franco-British (and US) help providing strategic materials (coal, steel, etc.) Italy always lacked sorely. In the spring of 1918, Germany pulled out its troops for use in its upcoming Spring Offensive on the Western Front. The Austrians now began debating how to finish the war in Italy. The Austro-Hungarian generals disagreed on how to administer the final offensive. Archduke Joseph August of Austria decided for a two-pronged offensive, where it would prove impossible for the two forces to communicate in the mountains.

The Battle of the Piave River began with a diversionary attack near the Tonale Pass named Lawine, which the Italians easily repulsed after two days of fighting.[12] Austrian deserters betrayed the objectives of the upcoming offensive, which allowed the Italians to move two armies directly in the path of the Austrian prongs. The other prong, led by general Svetozar Boroević von Bojna initially experienced success until aircraft bombed their supply lines and Italian reinforcements arrived.

The Italian front in 1918 and the Battle of Vittorio Veneto.

Austro-Hungarian trench in Ortler Alps, 1917

The decisive Battle of Vittorio Veneto (October–November 1918)

To the disappointment of Italy's allies, no counter-offensive followed the Battle of Piave. The Italian Army had suffered huge losses in the battle, and considered an offensive dangerous. General Armando Diaz waited for more reinforcements to arrive from the Western Front. By October 1918, Italy finally had enough soldiers to mount an offensive. The attack targeted Vittorio Veneto, across the Piave. The Italian Army broke through a gap near Sacile and poured in reinforcements that crushed the Austrian defensive line. On 3 November, 300,000 Austrian soldiers surrendered.

The Battle of Vittorio Veneto heralded the dissolution of the Austro-Hungarian Army as an effective fighting force, and also triggered the disintegration of Austria-Hungary. During the last week of October, declarations made in Budapest, Prague, and Zagreb proclaimed the independence of their respective parts of the old empire. On October 29, the imperial authorities asked Italy for an armistice, but the Italians continued to advance, reaching Trento, Udine, and Trieste. On 3 November, Austria-Hungary sent a flag of truce to the Italian Commander to ask again for an armistice and terms of peace. The terms were arranged by telegraph with the Allied Authorities in Paris, communicated to the Austrian Commander, and were accepted. The Armistice with Austria was signed in the Villa Giusti, near Padua, on 3 November, and took effect on 4 November, at three o'clock in the afternoon. Austria and Hungary signed separate armistices following the overthrow of the Habsburg Monarchy and the collapse of the Austro-Hungarian Empire.

Occupation of northern Dalmatia

By the end of hostilities in November 1918, the Italian military had seized control of the entire portion of Dalmatia that had been guaranteed to Italy by the London Pact.[13] From 5–6 November 1918, Italian forces were reported to have reached Lissa, Lagosta, Sebenico, and other localities on the Dalmatian coast.[14] In 1918, Admiral Enrico Millo declared himself Italy's Governor of Dalmatia.[13]

See also


  • History of Austria
  • History of Hungary
  • History of South Tyrol


  1. Mortara 1925, pp. 28–29
  2. Italian Front Casualties
  3. 3.0 3.1 3.2 Nicolle 2003, p. 3
  4. 4.0 4.1 Nicolle 2003, p. 5
  5. Denis Mack Smith, Modern Italy: A Political History, Univ. of Michigan Press (1997) p. 262
  6. Keegan, John (1998). "The War Beyond The Western Front". The First World War. Random House (UK). pp. 246. ISBN 0091801788. 
  7. Keegan, John (1998). "The Breaking of Armies". The First World War. Random House (UK). pp. 376. ISBN 0091801788. 
  8. Keegan, John (1999). The First World War. Knopf, N.Y.. pp. 226, 227. ISBN 0-375-40052-4. 
  9. 9.0 9.1 (2001),Keegan (2001), p319
  10. Keegan (2001), p322
  11. Thompson, Mark (2008). The White War: Life and Death on the Italian Front, 1915-1919. London: Faber & Faber. ISBN 0-571-22333-8. 
  12. From the website of the museum of the war on Adamello
  13. 13.0 13.1 Paul O'Brien. Mussolini in the First World War: the Journalist, the Soldier, the Fascist. Oxford, England, UK; New York, New York, USA: Berg, 2005. Pp. 17.
  14. Giuseppe Praga, Franco Luxardo. History of Dalmatia. Giardini, 1993. Pp. 281.


  • Mortara, G (1925). La Salute pubblica in Italia durante e dopo la Guerra. New Haven: Yale University Press. 
  • Erlikman, Vadim (2004). Poteri narodonaseleniia v XX veke : spravochnik. Moscow. ISBN 5-93165-107-1. 
  • Cassar, George H. (1998). The Forgotten Front: The British Campaign in Italy, 1917-1918. London: Continuum International Publishing Group. ISBN 1-85285-166-X. 
  • Nicolle‏, David (2003). The Italian Army of World War I. Osprey Publishing‏. ISBN 1-84176-398-5. 
  • Page, Thomas Nelson, (1920) "Italy and the World War". New York, Charles Scribner's Sons, Full Text Available Online.
  • Keegan, John (2001). The first World War; An Illustrated History. London: Hutchinson. ISBN 0-09-179392-0. 
  • Keegan, John (1998). The first World War. London: Random House (UK). ISBN 0-09-1801788. 
  • Thompson, Mark (2008). The White War: Life and Death on the Italian Front, 1915–1919. London: Faber and Faber. ISBN 0-465-01329-5. 

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