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| HMS Mesudiye | |
|---|---|
| Ship name | Mesudiye (ex-HMS Erie) |
| Ship namesake | Sultan Mesud I |
| Ship class | Admiralty-designed ironclad / pre-dreadnought |
| Displacement | ≈8,400 tons |
| Length | 110 m (approx.) |
| Beam | 20 m (approx.) |
| Draught | 7.2 m (approx.) |
| Propulsion | Coal-fired boilers, triple-expansion engines |
| Speed | ≈17 knots (designed) |
| Complement | ≈600 |
| Armament | Heavy twin turrets, secondary batteries, torpedo tubes |
| Armour | Belt and casemate armour |
| Laid down | 1875 (as HMS Erie) |
| Launched | 1877 |
| Commissioned | 1878 (Royal Navy reserve) |
| Fate | Transferred to Ottoman Navy 1910; sunk by British submarine 1914; wreck remains |
HMS Mesudiye
HMS Mesudiye was a late 19th-century ironclad built for the Royal Navy as HMS Erie and later sold to the Ottoman Empire and renamed Mesudiye. Commissioned in an era of rapid naval innovation alongside contemporaries such as HMS Dreadnought predecessors, she served in Mediterranean and reserve squadrons before transfer and extensive modernization under Ottoman control. Mesudiye played roles in the Italo-Turkish War, the Balkan Wars, and World War I, where she was sunk by a submarine attack that illustrated the changing nature of naval warfare.
Designed under the auspices of Admiralty naval architects in the 1870s, the vessel reflected transitional naval architecture between ironclads like HMS Warrior and later pre-dreadnoughts such as HMS Majestic. Ordered as HMS Erie, construction began at Pembroke Dockyard with the hull built of iron and steel and fitted with heavy belt armour influenced by developments from John Ericsson and the innovations seen in French Navy ironclads like La Gloire. Her main armament was mounted in twin barbettes/turrets resembling arrangements on contemporaries including HMS Colossus (1882), while secondary batteries and quick-firing guns echoed experiments by designers linked to the Naval Defence Act 1889 debates. Propulsion used coal-fired boilers feeding triple-expansion engines developed in the tradition of James Watt-era steam engineering refined by firms such as John Brown & Company and Vickers. Planned speed and endurance aimed to meet requirements for service in the Mediterranean Sea and imperial stations like Gibraltar and Alexandria, Egypt.
As HMS Erie she entered limited Royal Navy service during the late 1870s and spent periods in reserve alongside sister and contemporary units assigned to the Channel Fleet and Mediterranean Fleet. Erie participated in fleet manoeuvres influenced by theorists such as Alfred Thayer Mahan and operations contexts including tensions with the Russian Empire in the eastern Mediterranean and crises like the Anglo-Egyptian War (1882). She was involved in gunnery trials and training exercises with units from HMS Monarch through to engagements staged by the Royal Navy Reserve and Channel Squadron to test armour and ordnance supplied by manufacturers like Armstrong Whitworth and Elswick Ordnance Company. Periods of lay-up and refit at Chatham Dockyard and Portsmouth reflected shifting priorities in the Royal Navy during the pre-dreadnought naval arms competition.
In 1910 Erie was sold to the Ottoman Navy as part of diplomatic and commercial naval transfers involving the British Cabinet and Ottoman procurement efforts to modernize under Sultan Abdul Hamid II and later the Committee of Union and Progress. Renamed Mesudiye to honor the Seljuk ruler Sultan Mesud I, she was subject to a major refit in Gölcük and upgrades financed through Ottoman naval budgets influenced by advisors from Germany and procurement firms such as Krupp. The transfer formed part of Ottoman attempts to balance influences from France, Italy, and Germany while confronting regional rivals like the Kingdom of Italy and the Balkan states.
Mesudiye saw operational deployment during the Italo-Turkish War (1911–1912) in the Aegean Sea and eastern Mediterranean patrols alongside units from the Imperial German Navy mission in Ottoman service and irregular forces supporting Ottoman garrisons in Libya. During the First Balkan War she was mobilized against the Hellenic Navy and the combined fleets of the Kingdom of Greece and Balkan League, operating from bases including Çanakkale and Smyrna (modern İzmir). Her presence was part of Ottoman coastal defense and shore bombardment plans developed with staff influenced by naval officers trained in Gunnery School, Portsmouth and strategic thinking of figures like Admiral Wilhelm Souchon, though Mesudiye's age and partial modernization limited efficacy against newer pre-dreadnoughts and armored cruisers such as SMS Goeben and Yavuz Sultan Selim (ex-Goeben).
At the outbreak of World War I, Mesudiye formed part of the Ottoman coastal defense for the Dardanelles alongside fortifications and minefields coordinated under commanders like Sultanzade and German advisers connected to Wilhelm II's strategic reach. On 13 December 1914 she was anchored in the southern Dardanelles near Kepez when she was attacked and torpedoed by the British submarine HMS B11 under Lieutenant Commander Norman Holbrook. The attack, executed during night operations amid minefields and shore batteries, caused catastrophic flooding; Mesudiye capsized and sank, resulting in significant loss of life and a propaganda impact paralleling incidents like the sinking of RMS Lusitania in terms of morale and strategic symbolism. The action earned Holbrook the Victoria Cross for gallantry, and the sinking underscored the rising effectiveness of submarine warfare against armored ships.
The wreck of Mesudiye lies in the Dardanelles and has been subject to salvage attempts, diving surveys, and archaeological interest by teams from institutions including Istanbul University and international maritime archaeologists influenced by conventions such as those from UNESCO. As a symbol Mesudiye figures in narratives of late Ottoman naval decline, the shift from ironclads to submarine and mine warfare, and studies by historians writing on figures like A.C. Taylor and naval analysts referencing the Dardanelles Campaign. Her sinking contributed to tactical reassessments by the Royal Navy, the Ottoman Navy, and naval planners in France and Germany regarding coastal defense, submarine employment, and the protection of capital ships, leaving a legacy in both commemorative memorials in Çanakkale and scholarly literature on pre-dreadnought-era transitions.
Category:Ottoman Navy Category:Royal Navy ships Category:World War I shipwrecks in the Dardanelles