Battles of the Isonzo
May 23, 1915 – October 27, 1917 · Soča
Italy launched twelve offensives against Austria-Hungary along the Isonzo river. The first eleven gained little ground at huge cost, and the twelfth, at Caporetto, was a major Italian defeat.
Italy
Austria-Hungary
Battles 12
- First Battle of the Isonzo June 23 – July 7, 1915 · Limited Italian advance
- Second Battle of the Isonzo July 18 – August 3, 1915 · Italian tactical victory
- Third Battle of the Isonzo October 18 – November 3, 1915 · Austro-Hungarian victory
- Fourth Battle of the Isonzo November 10 – December 2, 1915 · Italian victory
- Fifth Battle of the Isonzo March 9–15, 1916 · Inconclusive
- Battle of Gorizia (1916) August 6–17, 1916 · Italian victory
- Seventh Battle of the Isonzo September 14–18, 1916 · Italian tactical victory
- Eighth Battle of the Isonzo October 10–12, 1916 · Inconclusive
- Ninth Battle of the Isonzo October 31 – November 4, 1916 · limited Italian advance in the northern part of the Karst Plateau
- Tenth Battle of the Isonzo May 10 – June 8, 1917 · Indecisive.
- Eleventh Battle of the Isonzo August 18 – September 12, 1917 · Italian tactical victory
- Battle of Caporetto October 24 – November 19, 1917 · Central Powers victory











