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| Gallipoli landings | |
|---|---|
| Name | Gallipoli landings |
| Partof | World War I |
| Date | 25 April 1915 |
| Place | Gallipoli Peninsula, Ottoman Empire |
| Result | Allied beachheads established; campaign stalemate |
| Combatant1 | United Kingdom; British Empire; France; Empire of Japan (naval support); Australia; New Zealand; Newfoundland (Dominion of); India (British Raj); Canada |
| Combatant2 | Ottoman Empire; German Empire (advisers) |
| Commander1 | Winston Churchill; Lord Kitchener; Ian Hamilton; Sir William Birdwood; General Sir Alexander Godley; Sir John de Robeck; John Fisher |
| Commander2 | Mustafa Kemal Atatürk; Sultan Mehmed V; Enver Pasha; Ismail Enver; Liman von Sanders; Said Halim Pasha |
| Strength1 | Allied expeditionary force |
| Strength2 | Ottoman Fifth Army |
Gallipoli landings The Gallipoli landings were the amphibious operations on 25 April 1915 that opened the Gallipoli Campaign in World War I, when Allied expeditionary forces assaulted the Gallipoli Peninsula to secure the Dardanelles Strait and threaten Constantinople. The landings involved corps-level formations drawn from British Empire dominions, French Third Republic units, and specialized naval elements, opposed by Ottoman Empire defenders reinforced by German officers and strategic direction from the Central Powers.
The concept to force the Dardanelles and seize Constantinople emerged from strategic planning in London and Paris after the Western Front stalemate post-First Battle of the Marne and Race to the Sea, with proponents including Winston Churchill and Lord Kitchener advocating a Mediterranean operation to relieve pressure on Russia and open a Balkan front. Political discussions linked the proposal to operations in the Gallipoli Campaign, coordination with the Royal Navy and French Navy, and expectations of supporting allies such as Serbia and Greece. German military advisers including Otto Liman von Sanders and diplomats like Enver Pasha monitored Allied intentions while the Ottoman-German alliance deepened.
Planning drew on staff work at the Admiralty, War Office, and French high command, with operational direction assigned to Mediterranean Expeditionary Force under Ian Hamilton and naval coordination under John de Robeck. Detailed preparations included mapping the Anzac Cove sector, rehearsals in Egypt and staging at Island of Lemnos and Mudros Harbour, and assembling transport from British Empire dominions including units from Australian Imperial Force, New Zealand Expeditionary Force, and colonial contingents from British India. Intelligence relied on reports from Naval Intelligence and signals from Calthorpe while logistics planning attempted to coordinate with French Expeditionary Corps supply chains and support from Suez Canal bases.
On 25 April 1915 Allied troops landed at multiple points including Cape Helles, Anzac Cove, and beaches along the southern Gallipoli coast, escorted by squadrons of the Royal Navy, French Navy, and auxiliary vessels from Empire of Japan goodwill detachments. The 1st Australian Division and elements of the New Zealand and Australian Division confronted rugged terrain and pre-positioned Ottoman battalions under commanders who included Mustafa Kemal Atatürk. At Cape Helles units such as the 29th Division and the Royal Naval Division faced wire, gun emplacements and counterattacks that limited Allied progress, while Anzac troops encountered navigation errors that concentrated assaults at narrow coves and defended ridgelines. Naval gunfire support from ships including Implacable attempted to suppress Ottoman redoubts but was constrained by submerged mines and coastal batteries.
Following the initial beachings Allied commanders sought to expand and link the beachheads through daytime offensives and night-time consolidation, employing trench works, field artillery, and engineering from units like Royal Engineers and pioneers from Indian Army formations. Counterattacks by Ottoman forces under corps commanders and German advisers, with local leadership by Mustafa Kemal at key ridges, forced costly infantry assaults such as attempts on Baby 700 and Sari Bair spur positions, while reorganizations placed divisions under commanders including William Birdwood and Alexander Godley. Attritional fighting produced salient positions around V Beach, W Beach, and Anzac Plateau, with both sides digging into static defences reminiscent of the Western Front.
Naval operations sought to clear the Dardanelles of mines and to support land operations by bombarding fortifications manned by Ottoman gun crews trained by German artillery officers; assets included Royal Navy battleship squadrons, monitors, and submarines from navies including the French Navy and detachments cooperating with the Royal Australian Navy. Logistical efforts relied on supply depots at Mudros Harbour, amphibious landing craft improvised from transport ships, and ambulance and casualty evacuation coordinated with hospital ships flagged by the Red Cross and nursing services such as those associated with Florence Nightingale's institutional legacy. Mine-clearing attempts involved specialized trawlers and the use of trawlers from Royal Naval Reserve, but losses from mines and shore batteries hampered resupply and constrained beach reinforcement schedules.
Ottoman defensive command on the peninsula evolved around the coordination of the Ottoman Fifth Army under commanders advised by Liman von Sanders and politically aligned leaders including Enver Pasha and Sultan Mehmed V. Tactical initiative often came from provincials and corps leaders like Mustafa Kemal, whose rapid counter-maneuvers at Anzac and Cape Helles stabilized threatened sectors, while German specialists such as Friedrich Bronsart von Schellendorf influenced staff organization and artillery deployment. Ottoman logistics ran through railheads to Eceabat and supply lines from Constantinople, with garrison troops drawn from units including 57th Regiment and regional formations seasoned in Anatolian operations.
The immediate aftermath left the Allies with consolidated but precarious beachheads and the Ottomans with control of interior lines, producing a prolonged siege culminating in months of attrition, disease, and stalemate that fed into wider strategic debates in London, Paris, and Saint Petersburg. Politically the campaign affected careers of figures such as Winston Churchill and Ian Hamilton, influenced diplomatic relations between the Entente Powers and neutrals like Greece, and contributed to Ottoman national narratives that elevated leaders including Mustafa Kemal Atatürk. Militarily it redirected resources from the Western Front and Mediterranean, precipitated innovations in amphibious doctrine studied by later operations such as Dieppe Raid and Operation Overlord, and shaped postwar settlements that helped define mandates and borders addressed at negotiations like the Treaty of Sèvres and later Treaty of Lausanne.