'On This Day' from culturepics.org

AVIATION IN BRITAIN BEFORE THE FIRST WORLD WAR
13 August 1912
Imperial War Museum

Lieutenant Henry Humphrey Marten MID. Unit: 6th Battalion, Kings Royal Rifle Corps, attached 2nd Battalion, The Manchester Regiment. Death: 13 August 1915 Western Front
Died 13 August 1915
Imperial War Museum

Private George Souter Kerr 16302. Unit: 1st Battalion, King's Own Scottish Borderers. Death: 13 August 1915 died when troopship HMT Royal Edward was torpedoed on it's way from Malta to Gallipoli, Dardanelles.
Died 13 August 1915
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT DURING THE FIRST WORLD WAR
13 August 1916
Imperial War Museum

Brias
13 August 1916
Imperial War Museum

BRITISH OFFICIAL PANORAMAS OF THE WESTERN FRONT 1914 - 1918
13 August 1916
Imperial War Museum

Corporal Bert Carloss 1725. Unit: 14th Battalion, Australian Infantry, Australian Imperial Force. Death: 13 August 1916, died of wounds, Pozieres, Somme, Western Front.
Died 13 August 1916
Imperial War Museum

Corporal Norman John Alexander Hall 2033. Unit: 12th Battalion, attached to the 52nd Battalion, Australian Infantry, Australian Imperial Force. Death: 13 August 1916, killed in action at Pozieres, Somme, Western Front. Commemorated on the Villers-Bretonne
Died 13 August 1916
Imperial War Museum

Private Archie Darling Gould 3969. Unit: 52nd Battalion, Australian Infantry, Australian Imperial Force. Death: 13 August 1916, Western Front. Commemorated on the Villers-Bretonneux Memorial.
Died 13 August 1916
Imperial War Museum

Second Lieutenant Harold Edgar St. George. Unit: C Company, 6th (Rifle) Battalion, The Kingâ€™s (Liverpool Regiment). Death: 13 August 1916 Missing during fighting between Trones Wood and Guillemont. Western Front
Died 13 August 1916
Imperial War Museum

Second Lieutenant John Hayes Fearnhead. Unit: A Company, 1st/7th Battalion, The King's (Liverpool Regiment). Death: 13 August 1916, Guillemont, Somme, Western Front.
Died 13 August 1916
Imperial War Museum

Second Lieutenant Llewellyn Hilton Roberts. Unit: 11th or 12th Battalion, Royal Warwickshire Regiment. Death: 13 August 1916 near Bazentin Western Front
Died 13 August 1916
Imperial War Museum

Sister Alice Mary Blacklock, Territorial Force Nursing Service. Died of illness contracted on duty 13 August 1916.
Died 13 August 1916
Imperial War Museum

Staff Nurse Jessie Ritchie, Queen Alexandra's Imperial Military Nursing Service Reserve. Died of illness contracted on duty in Alexandria 13 August 1916.
Died 13 August 1916
Imperial War Museum

The Cathedral Tower, Ypres, 13th August 1916
13 August 1916
Imperial War Museum

THE OFFICIAL VISITS TO THE WESTERN FRONT, 1914-1918
13 August 1916
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT
13 August 1917
Imperial War Museum

Lieutenant Frank Beecher Doran. Unit: 20th Battalion, Central Ontario Regiment, Canadian Infantry, Canadian Expeditionary Force, attached to 9th Squadron, Royal Flying Corps. Death: 13 August 1917 Killed in action Western Front
Died 13 August 1917
Imperial War Museum