'On This Day' from culturepics.org

Lieutenant Hugh Michael Hunter. Unit: 3rd (Reserve) Battalion, attached to 2nd Battalion, the Duke of Edinburgh's (Wiltshire Regiment). Death: 06 April 1915 Wounded 12th March 1915 at Neuve Chapelle died in hospital at Boulogne Western Front
Died 6 April 1915
Imperial War Museum

THE BRITISH RED CROSS IN THE OCCUPIED BELGIUM 1914-1918
6 April 1915
Imperial War Museum

THE FRENCH ARMY ON THE WESTERN FRONT, 1914-1918
6 April 1916
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT
6 April 1917
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT DURING THE FIRST WORLD WAR
6 April 1917
Imperial War Museum

Annie Winifred Munro, South African Military Nursing Service. Died of pneumonia 06 April 1917.
Died 6 April 1917
Imperial War Museum

Inside a Dugout, 6 April 1917
6 April 1917
Imperial War Museum

Second Lieutenant Harry Saxon Pell. Unit: 40th Squadron, Royal Flying Corps. Death: 06 April 1917 Missing Western Front
Died 6 April 1917
Imperial War Museum

THE FRENCH AIR FORCE ON THE WESTERN FRONT, 1914-1918
6 April 1917
Imperial War Museum

THE GERMAN ARMY IN THE SINAI AND PALESTINE CAMPAIGN, 1915-1918
6 April 1917
Imperial War Museum

THE GERMAN WITHDRAWAL TO THE HINDENBURG LINE, MARCH-APRIL 1917
6 April 1917
Imperial War Museum

THE ROYAL NAVY IN THE FIRST WORLD WAR
6 April 1917
Imperial War Museum

'The Last Loop'
6 April 1918
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT
6 April 1918
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT DURING THE FIRST WORLD WAR
6 April 1918
Imperial War Museum

Captain Sydney Philip Smith. Unit: Flight Commander, 46th Squadron, Royal Air Force. Death: 06 April 1918 Missing Western Front
Died 6 April 1918
Imperial War Museum

Second Lieutenant Christopher George Hallpike. Unit: 68th Siege Battery, Royal Garrison Artillery. Death: 6 April 1918, killed in action near Albert, Somme, Western Front.
Died 6 April 1918
Imperial War Museum

Second Lieutenant Douglas Victor Gillespie. Unit: No. 70 Squadron, Royal Air Force. Death: 6 April 1918, Western Front.
Died 6 April 1918
Imperial War Museum