- Ypres, battle of Ypres, third battle of Ypres - battle in World War I (1917); an Allied offensive which eventually failed because tanks bogged down in the waterlogged soil of Flanders; Germans introduced mustard gas which interfered with the Allied artillery
--1 is a kind of pitched battle
--1 is a part ofWorld War I, World War 1, Great War, First World War, War to End War - Ypres, battle of Ypres, second battle of Ypres - battle in World War I (1915); Germans wanted to try chlorine (a toxic yellow gas) as a weapon and succeeded in taking considerable territory from the Allied salient
--2 is a kind of pitched battle
--2 is a part ofWorld War I, World War 1, Great War, First World War, War to End War - Ypres, battle of Ypres, first battle of Ypres - battle in World War I (1914); heavy but indecisive fighting as the Allies and the Germans both tried to break through the lines of the others
--3 is a kind of pitched battle
--3 is a part ofWorld War I, World War 1, Great War, First World War, War to End War