Third Battle of Ypres

The Third Battle of Ypres, 21 July- 6 November 1917, was one of the more pointless and badly handled battles of the First World War, and is famous for the Passchendaele Mud
The Battle of the Menin Road Ridge, 20-25 September 1917, marked a change in British tactics during the Third Battle of Ypres and resulted in a small British victory
The Battle of Polygon Wood, 26-27 September 1917, was an Australian victory during the Third Battle of Ypres
The First Battle of Passchendaele, 12 October 1917, was an entirely unsuccessful attack during the Third Battle of Ypres
The Second Battle of Passchendaele, 26 October-10 November, was the final phase of the wider Third Battle of Ypres (often known as Passchendaele)