Why the Gallipoli Campaign became the defining military disaster of the First World War
In short: In 1915, Allied forces launched the first major amphibious operation in modern warfare against the Ottoman Empire. Intended to knock Turkey out of the war and open supply routes to Russia, the campaign instead collapsed into a brutal, bloody deadlock that fundamentally reshaped national identities for Australia and New Zealand.
The Gallipoli Campaign, spanning from March 1915 to January 1916, was born from the strategic stalemate on the Western Front. Allied planners hoped that by seizing the Dardanelles Straits and capturing Constantinople—the Ottoman capital—they could relieve pressure on Russia and secure a vital maritime supply route through the Black Sea. However, the naval expedition failed to neutralize well-defended minefields and coastal gun emplacements, forcing a transition to a large-scale land invasion.
General Sir Ian Hamilton led a disparate force, including the British 29th Division, the French Oriental Expeditionary Corps, and the Australian and New Zealand Army Corps (Anzac). The operation suffered from poor planning and a lack of specialized landing craft. Crucially, the earlier naval failures had alerted Ottoman defenders to the impending threat, stripping the Allies of the element of surprise. When landings finally began on 25 April 1915, troops faced entrenched opposition, particularly at Cape Helles and Anzac Cove.
At V Beach, the British suffered catastrophic losses, with only 21 of the first 200 men reaching shore alive. Meanwhile, at Anzac Cove, the landing drifted north, forcing troops to scale steep cliffs under fire. Ottoman commander Colonel Mustafa Kemal, later known as Atatürk, recognized the gravity of the threat and personally led counter-attacks that pinned the invaders to the coast. Subsequent attempts to capture the village of Krithia and the heights of Achi Baba between April and June 1915 failed to break the deadlock, ultimately cementing the campaign as a strategic failure for Britain and France.
For the Ottoman Empire, the conflict was a desperate fight for independence. Conversely, for the Anzac soldiers, the harrowing experience became a foundational element of their national identity. While the campaign is remembered today as a military catastrophe, it remains a pivotal moment in the history of modern warfare, marking the first time such a complex amphibious assault was attempted on this scale.
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Sources
- Summary by Intellect · source: The Gallipoli Campaign
- Also: Gallipoli campaign | National Army Museum
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