'On This Day' from culturepics.org

AVIATION IN BRITAIN BEFORE THE FIRST WORLD WAR
19 May 1914
Imperial War Museum

Bugler Milton Frank Thornton 91. Unit: 3rd Battalion, Australian Imperial Force. Death: 19 May 1915 Killed in action Gallipoli/Dardanelles
Died 19 May 1915
Imperial War Museum

Captain Percy Beattie-Crozier. Unit: 4th Prince Albert Victor's Rajputs, attached to 15th Ludhiana Sikhs, Indian Army. Death: 19 May 1915 Killed in action near Neuve Chapelle Western Front
Died 19 May 1915
Imperial War Museum

Captain Thomas Ernest Dufty. Unit: 5th Battalion, Yorkshire Regiment. Death: 19 May 1915 Killed in action by shellfire near Ypres Western Front.
Died 19 May 1915
Imperial War Museum

Lieutenant Albert Edward Charles Robert Wendover (Wynn-Carrington). Unit: Royal Horse Guards (The Blues). Death: 19 May 1915 Died in hospital at Boulogne, after being wounded on the 13 May 1915 at Hooge. Western Front
Died 19 May 1915
Imperial War Museum

Lieutenant Colonel Wilfrid Robert Abel-Smith CMG. Unit: Commanding Officer, 2nd Battalion, Grenadier Guards. Death: 19 May 1915 Died of wounds at Bethune after being wounded at Festubert on the 18 May 1915 Western Front
Died 19 May 1915
Imperial War Museum

Lieutenant Frederick Crozier Fraser Biscoe MID. Unit: 2nd Battalion, Worcestershire Regiment. Death: 19 May 1915 Beune Hospital Western Front
Died 19 May 1915
Imperial War Museum

Lieutenant James Anderson Kerr Johnston. Unit: 7th Battalion (Victoria), Australian Imperial Force. Death: 19 May 1915 Died of wounds in hospital in Cairo-wounded in early May at Cape Helles, Gallipoli.
Died 19 May 1915
Imperial War Museum

Second Lieutenant (Temporary) Thomas Fuller Stocker. Unit: 171st (Mining) Company, Royal Engineers. Death: 19 May 1915 Killed in action shot by a sniper while in the trenches near Ypres Western Front
Died 19 May 1915
Imperial War Museum

Second Lieutenant Edward Humbert Fisher. Unit: 2nd Battalion, Yorkshire Regiment. Death: 19 May 1915, Festubert, Western Front.
Died 19 May 1915
Imperial War Museum

Sergeant William Hills 108. Unit: 7th Battalion, Australian Imperial Force. Death: 19 May 1915, killed in action at Cape Helles, Gallipoli, Dardanelles. Commemorated on the Lone Pine Memorial.
Died 19 May 1915
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT
19 May 1916
Imperial War Museum

AERIAL PHOTOGRAPHY ON THE WESTERN FRONT DURING THE FIRST WORLD WAR
19 May 1916
Imperial War Museum

Colonel William Renwick Marshall DSO MID. Unit: 15th Battalion, Canadian Infantry, Canadian Expeditionary Force. Death: 19 May 1916 Western Front
Died 19 May 1916
Imperial War Museum

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

Private G D F Rogers 3004. Unit: B Company, 1st/4th Battalion, Royal Berkshire Regiment. Death: 19 May 1916 Missing 16 May 1916 Western Front
Died 19 May 1916
Imperial War Museum

Private James Garfield Alan Mitchell 806. Unit: D Company, 7th Battalion, 2nd Infantry Brigade, 1st Australian Division. Death: 19 May 1916 Western Front
Died 19 May 1916
Imperial War Museum

THE FRENCH AIR FORCE ON THE WESTERN FRONT, 1914-1918
19 May 1916
Imperial War Museum

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

Flight Sub Lieutenant Geoffrey Glendinning Bowman. Unit: No 1 Squadron, Royal Naval Air Service, attached to Royal Flying Corps. Death: 19 May 1917
Died 19 May 1917
Imperial War Museum

Lieutenant Arthur Cyril Gustave Hermges. Unit: 5th Battalion, Royal Inniskilling Fusiliers, attached to the Royal Engineers. Death: 19 May 1917, missing in action, Western Front. Commemorated on the Arras Memorial.
Died 19 May 1917
Imperial War Museum

Lieutenant Malcolm Wilfred Forester Hall. Unit: 5th Battalion, attached to the 1st Battalion, Royal Inniskilling Fusiliers. Death: 19 May 1917, wounded and missing in action at Monchy, Western Front. Commemorated on the Arras Memorial.
Died 19 May 1917
Imperial War Museum

Private Rouson 30042. Unit: Border Regiment. Death: 19 May 1917 Missing Western Front
Died 19 May 1917
Imperial War Museum

Private Thomas Walter Bennifer G/9260. Unit: 8th Battalion, The Queens (Royal West Surrey Regiment). Death: 19 May 1917 Sanctuary Wood Western Front. Son of Stephen and Finetta Bennifer, of 13, Sotheron Rd., Watford.
Died 19 May 1917
Imperial War Museum

Second Lieutenant Frederick Joseph Hepworth. Unit: 3rd Battalion, Royal Munster Fusiliers, attached to the 1st Battalion, Royal Inniskilling Fusiliers. Death: 19 May 1917, killed in action, Western Front.
Died 19 May 1917
Imperial War Museum