Yser, Nonne Bosschen, 2nd Ypres and Arras

The battle of the Yser (18 October-30 November 1914) was the northernmost battle of the Race to the Sea, the series of battles which decided the location of the Western Front after the outbreak of trench warfare on the Aisne in early September 1914

The Battle of Nonne Bosschen, 11 November 1914, was the last major German attack on the British lines during the first battle of Ypres.

The Second battle of Ypres, 22 April-25 May 1915, saw the first use of poisoned gas on the western front.

The Second battle of Arras, 9 April-17 May 1917, was the British element of the Allied spring offensive of 1917. It is best known for the capture of Vimy Ridge by the Canadian Corps.