The Gallipoli campaign took place from 25 April 1915 - 9 January 1916. It was the land-based element of a strategy intended to allow Allied ships to pass through the Dardanelles, capture Constantinople (now Istanbul) and ultimately knock Ottoman Turkey out of the war.
Discover 20 remarkable photographs from IWM's collection of the Gallipoli campaign.
1. Landing at Gallipoli, April 1915
British troops on the V Beach during the Cape Helles landings.
3. Maori soldier
A Maori soldier stands in the Apex trenches, 30 November 1915.
4. Australians at Gallipoli
Infantrymen and light horsemen in a trench on Walkers Ridge, Gallipoli. The light horseman smoking in the background and the soldier in the foreground were father and son, 11 Trooper Andrew Powell Yeates, 9th Light Horse, aged 54 and 1103 Private James August Yeates, 3rd Australian General Hospital (AGH).
5. Troops from around the world
French Senegalese troops landing at Gallipoli, May 1915.
6. Indian troops and pack mule
Indian driver loading a pack mule, Gallipoli,1915.
7. British traditions
Officers of the Royal Naval Division enjoying a cup of tea at Gallipoli.
8. Resting in the trenches
New Zealand soldiers resting in the trenches on Rhododendron Spur, Gallipoli.
9. Filtering water
Filtering water before it is put into covered cans.
10. Home on Anzac beach
'Splinter Villa' - home to two Australians on Anzac Beach.
11. Returning from leave
New Zealanders return to Gallipoli by boat after a rest on the island of Lemnos.
12. A deceptive game of cricket
Allied troops in the only game of cricket played on the peninsula during the campaign. It was an attempt to distract the Turks from the imminent departure of Allied troops.
13. Baiting a sniper
A Royal Irish Fusilier attempts to draw the fire of a Turkish sniper to reveal his position, Gallipoli 1915.
14. Sniper in action
Trooper A M Maxwell (afterwards Captain Maxwell, 52nd Battalion), 3rd Light Horse Regiment sniping up Dead Man's Gully from Quinn's Post, Gallipoli. Photograph taken from the entrance to the tunnel in which the soldiers slept.
15. Bayonet charge
Posed photograph showing Australian troops charging uphill with fixed bayonets, probably taken on Imbros or Lemnos, 17 December 1915.
16. Aiding a Wounded Prisoner
An Australian infantryman gives a drink to a wounded Turkish soldier, Gallipoli 1915.
17. Mobile medicine
Surgery in progress at a Casualty Clearing Station in Gallipoli. The surgeon is removing a bullet from the patient’s right arm.
18. Frostbite victims
Frostbitten soldiers lying on straw in shelters constructed of biscuit boxes at a store dump at Suvla, Gallipoli, after the frost at the end of November 1915.
19. Evacuation
Evacuating guns and personnel from Suvla Point on rafts, December 1915.
20. Leaving Gallipoli
Stores burning on the beach at 5am after the evacuation at Suvla, photographed from HMS Cornwallis as it left Gallipoli.