page_title: Italian front (World War I)
section_title: Second Battle of the Piave River (June 1918)
hierarchical_section_title: Italian front (World War I) / History / 1918: The war ends / Second Battle of the Piave River (June 1918)
caption_attribution_description: English: austro-hungarian trench at the peak of Ortler (Alps) during first world war 1917.
context_page_description: The Italian front or Alpine front involved a series of battles at the border between Austria-Hungary and Italy, fought between 1915 and 1918 in the course of World War I. Following secret promises made by the Allies in the 1915 Treaty of London, Italy entered the war aiming to annex the Austrian Littoral, northern Dalmatia, and the territories of present-day Trentino and South Tyrol. Although Italy had hoped to gain the territories with a surprise offensive, the front soon bogged down into trench warfare, similar to that on the Western Front in France, but at high altitudes and with very cold winters. Fighting along the front displaced much of the local population, and several thousand civilians died from malnutrition and illness in Italian and Austrian refugee-camps. The Allied victory at Vittorio Veneto in November 1918, the disintegration of Austria-Hungary and the Italian capture of Trento, Bolzano and Trieste ended the military operations. Italy also refers to the Great War as the "Fourth War of Independence", which completed the last stage of Italian unification.
context_section_description: 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); the new class of conscripts born in 1899 who were turning 18 in 1917. In November 1917, British and French troops started to bolster the front line, from the 5 and 6 divisions respectively provided.  Far more decisive to the war effort than their troops was the Allies economic assistance by providing strategic materials (steel, coal and crops – provided by the British but imported from Argentina – etc.), which 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. As a result of the Spring Offensive, Britain and France also pulled half of their divisions back to 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 Second Battle of the Piave River began with a diversionary attack near the Tonale Pass named Lawine, which the Italians repulsed after two days of fighting. 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.
caption: Austro-Hungarian trench in Ortler Alps, 1917
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