The Great War, including the lead up to the War, the battles and campaigns
waged and accounts.
Service Medal Records (Officers & Men)
"Cause" Of Death & Place of Burial or Commemoration
Service Records
Gallantry Medals & Awards
Prisoners of War
Casualty Reports
War Diaries, Battalion
Unit & Command
Trench Maps, and other Military Maps
The British Army had 247,432 regular troops at the outset of World War One, consisting of soldiers posted around the empire and the British Expeditionary Army. The British Expeditionary Army was created in 1908 in case of a German attack, and consisted of six infantry divisions and one cavalry division.
Full details of The Army Units and Divisions of 1914 -1918 is here: British
Army Regiments and Divisions