Field Service Regulations (Section 140 of Part II) of 1914 contained instructions
that war diaries were to be maintained detailing a unit’s movements and activities
whilst on active service overseas.
Written on Army Form C.2118, the war diary of the 25th Battalion Royal Fusiliers
began in May 1915 upon their arrival in theatre and continued until the end of September
The battalion war diary is available at the National Archives, Kew under the following
WO 95/5340 covering the period May 1915 - November 1916.
WO 95/5332 covering the period December 1916 - February 1917.
WO 95/5334 covering the period February 1917 - May 1917.
WO 95/5325 covering the period May 1917 - September 1917.
A war diary was also maintained by the Mounted Infantry Company, formed from personnel
of the 25th Royal Fusiliers and 2nd Loyal North Lancashire Regiment, throughout it’s
existance and is also available at the National Archives, Kew under reference:
WO 95/5336 covering the period September 1915 - July 1916.