The Gallipoli campaign was an amphibious landing in the Dardanelles Strait in modern Turkey, that sought to knock the Ottoman Empire out of WW I. The landings were exceptionally daring for the time, but they failed to achieve their objectives. The Gallipoli campaign lasted from April 1915 to January 1918, it cost tens of thousands of lives and it was was regarded as a complete failure for the allies. Why did the allies fail to achieve their objectives? The Gallipoli campaign was hampered by poor planning, inadequate intelligence and stubborn Turkish resistance.