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| Fourth Battle of the Isonzo | |||||||
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| Part of theItalian Front (World War I) | |||||||
Eleven Battles of the Isonzo June 1915 – September 1917 | |||||||
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| Belligerents | |||||||
| Commanders and leaders | |||||||
| Strength | |||||||
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| Casualties and losses | |||||||
| 49,500 (7,500 dead) | 32,100 (4,000 dead) | ||||||
TheFourth Battle of the Isonzo was fought between the armies ofKingdom of Italy and those ofAustria-Hungary on theItalian Front inWorld War I, between 10 November and 2 December 1915.
In contrast to the previous threebattles of the Isonzo (in June, July and October), this offensive was brief, and is considered a continuation of thethird battle of the Isonzo.[by whom?]
Most of the clash was concentrated in the direction ofGorizia and on theKarst Plateau, though the push was distributed on the wholeIsonzo front. The Italian Second Army, aiming for the town of Gorizia, was able to capture the hilly area aroundOslavia (Oslavje) andSan Floriano del Collio (Števerjan) overlooking theSoča (Isonzo) and Gorizia itself. The Italian Third Army, covering the rest of the front up to the sea, launched a series of large attacks which brought no significant gain.
Mount Sei Busi was unsuccessfully attacked by Italians five times.
The intensity of the fighting increased until the end of November, when the bridgehead ofTolmin (Tolmino) was heavily shelled and casualties peaked. In the first fifteen days of December, however, the fighting was reduced to small scale skirmishes as opposed to the massive frontal assaults that characterized the previous phases of the battle.
An unsigned truce on the Karst Plateau was made as the temperatures dropped, and operations were ceased due to lack of supplies.
The Austro-Hungarian High Command, worried by huge losses, requested assistance from theGerman Empire, which was not yet formally in the war against Italy. German Empire intervened on the Italian Front ineleventh battle of the Isonzo.
45°58′9″N13°36′40″E / 45.96917°N 13.61111°E /45.96917; 13.61111