Battle of Ypres
During the First World War, there were four Flanders battles:
- First Battle of Ypres ( 20 October to 18 November 1914)
- Second Battle of Ypres ( 22 April to 25 May 1915)
- Third Battle of Ypres ( 31 July to 6 November 1917)
- Fourth Battle of Ypres ( from 18 March to 29 April 1918)
- Disambiguation