'On This Day' from culturepics.org

Captain Herbert Creagh MacDonnell. Unit: The Royal Irish Regiment, attached to 5th Squadron, Royal Flying Corps. Death: 23 May 1915 Western Front
Died 23 May 1915
Imperial War Museum

Captain John Carandini Wilson MID. Unit: 3rd Battalion, Australian Imperial Force. Death: 23 May 1915 Wounded 23 April 1915 Gallipoli/Dardanelles
Died 23 May 1915
Imperial War Museum

Major Daniel Jean Tenaille. Unit: 5th Battalion, Canadian Infantry. Death: 23 May 1915 Killed in action Western Front
Died 23 May 1915
Imperial War Museum

Second Lieutenant (Temporary) Frederick Hunter Hyland. Unit: 7th (Service) Battalion, Alexandra, Princess of Wales's Own (Yorkshire Regiment) Green Howards, attached as Observer to 7th Squadron, Royal Flying Corps. Death: 23 May 1915 Killed in action whil
Died 23 May 1915
Imperial War Museum

Second Lieutenant Charles Edward Holden Loxton. Unit: 5th Battalion (Territ.), The Prince of Wales (North Staffordshire Regiment). Death: 23 May 1915 Near Neuve Eglise Western Front
Died 23 May 1915
Imperial War Museum

THE BRITISH ARMY ON THE HOME FRONT, 1914-1918
23 May 1915
Imperial War Museum

THE GALLIPOLI CAMPAIGN, APRIL 1915-JANUARY 1916
23 May 1915
Imperial War Museum

THE SECOND BATTLE OF ARTOIS, MAY-JUNE 1915
23 May 1915
Imperial War Museum

Captain Conway Bennett Thompson. Unit: 14th Battalion, Middlesex Regiment. Death: 23 May 1916 United Kingdom
Died 23 May 1916
Imperial War Museum

LANCE CORPORAL HARRY VAN TROMP, 22 BATTALION, ROYAL FUSILIERS
Died 19 May 1916
Imperial War Museum

Lance Corporal van Tromp, son of the Mayor of Taunton, Somerset, was killed in action, aged 34, at Vimy on 23 May 1916. This photograph was taken on his last day in England before leaving for the Western Front. He was killed six days later. Lance Corpo
Died 23 May 1916
Imperial War Museum

THE FRENCH ARMY IN THE WESTERN FRONT, 1914-1918
23 May 1916
Imperial War Museum

THE FRENCH ARMY ON THE WESTERN FRONT, 1914-1918
23 May 1916
Imperial War Museum

THE WOMEN'S WORK IN MEDICAL SERVICES ON THE HOME FRONT, 1914-1918
23 May 1916
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT
23 May 1917
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT DURING THE FIRST WORLD WAR
23 May 1917
Imperial War Museum

Captain William Speirs Barr. Unit: 18th Battalion, Highland Light Infantry. Death: 23 May 1917 Of wounds
Died 23 May 1917
Imperial War Museum

GERMAN AIRCRAFT OF THE FIRST WORLD WAR
23 May 1917
Imperial War Museum

IWM to Lady Haig
23 May 1917
Imperial War Museum

Newspaper Illustrations Ltd. to IWM
23 May 1917
Imperial War Museum

Private Cleve Ferdinand Mann 3223. Unit: 54th Battalion, 8th Reinforcements, Machine Gun Section, Australian Imperial Force. Death: 23 May 1917 Western Front
Died 23 May 1917
Imperial War Museum

Private Harry Gurd 351301. Unit: 2nd/7th Battalion, London Regiment. Death: 23 May 1917, Arras, Western Front. Commemorated on the Arras Memorial.
Died 23 May 1917
Imperial War Museum

Second Lieutenant Benjamin Hutchinson MC. Unit: 11th Battalion, East Yorkshire Regiment. Death: 23 May 1917 Wounded and Missing in action Western Front
Died 23 May 1917
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT
23 May 1918
Imperial War Museum

de Satgé de Thoren, Alice to IWM
23 May 1918
Imperial War Museum

Inglis, Mary to IWM
23 May 1918
Imperial War Museum

Lance Corporal Jack Frerichs 2458A. Unit: 27th Battalion, attached to the 50th Battalion, Australian Infantry, Australian Imperial Force. Death: 23 May 1918, Somme, Western Front.
Died 23 May 1918
Imperial War Museum

Paget, L.R. to IWM
23 May 1918
Imperial War Museum

Private Charles Edward White 3169. Unit: A Company, 34th Battalion, Australian Infantry, Australian Imperial Force. Death: 23 May 1918 Died of wounds in King George Hospital London
Died 23 May 1918
Imperial War Museum