1915 |
| 4 January |
French offensive in Artois ends. |
| 10–12 March |
Battle of Neuve Chapelle. |
| 22 April |
Germans use poison gas for the first time on Western Front. See Related reading: World War I Trench Warfare (1) 1914–16 (Elite 78) |
| 22 April–25 May |
Second Battle of Ypres. |
| 25 April |
British, ANZAC and French troops land on Gallipoli. See Related reading: Gallipoli 1915 - Frontal Assault on Turkey (Campaign 8) |
| 9 May |
Allied offensive begins in Artois. Battle of Aubers Ridge. |
| 15–27 May |
Battle of Festubert. |
| 23 May |
Italy enters the war on the side of Allies. |
| 25–26 May |
Formation of a coalition Cabinet and creation of Ministry of Munitions announced in Britain. |
| 25 September |
Allied offensive in Artois and Champagne. First use of poison gas by British at Battle of Loos. |
| 5 October |
British and French forces land at Salonika. |
| 11 October |
Bulgaria enters war by invading Serbia. |
| 19 December |
Haig replaces Sir John French as Commander-in-Chief of the British Expeditionary Force.
See Related reading: The British Expeditionary Force 1914–15 (Battle Orders 16) |
