August 4
Anglo-Dutch Forces Capture Gibraltar
An Anglo-Dutch fleet under Admiral Sir George Rooke seized the Spanish fortress at the entrance to the Mediterranean after a brief bombardment and landing operation during the War of the Spanish Succession.
Summary
During the War of the Spanish Succession, Britain and its allies sought to weaken Spanish control over key Mediterranean ports. An Anglo-Dutch fleet under Admiral Sir George Rooke arrived off Gibraltar in late July. After bombardment and landings by marines, Spanish governor Diego de Salinas faced overwhelming odds. On August 4, 1704, he surrendered the fortress on terms protecting lives and property. The capture gave Britain a strategic naval base at the entrance to the Mediterranean. Gibraltar remained under British control thereafter.
Context
The War of the Spanish Succession erupted after the death of the childless Charles II of Spain in 1700, pitting the Bourbon claimant Philip V, backed by France under Louis XIV, against the Habsburg Archduke Charles, supported by the Grand Alliance of England, the Dutch Republic, and the Austrian Habsburgs. The conflict quickly expanded beyond dynastic claims into a broader struggle for European dominance, with naval power playing a decisive role in controlling trade routes and projecting force across the Mediterranean and Atlantic.
What Happened
By 1704 the Alliance had secured Portuguese ports, notably Lisbon, after the Methuen Treaties shifted Portugal's allegiance. Admiral Rooke's combined English and Dutch fleet, accompanied by Prince George of Hesse-Darmstadt as the Habsburg representative, had already attempted unsuccessfully to capture Barcelona in May. Seeking a tangible success and a forward base, the commanders turned to Gibraltar, a modestly fortified Spanish outpost with a small garrison of roughly 430 men under Governor Diego de Salinas.
Aftermath
The fortress surrendered on 4 August on terms that protected the lives and property of the inhabitants. Most of the Spanish garrison and many civilians departed, while Prince George of Hesse-Darmstadt formally entered the town several days later in the name of Charles III. Effective military control, however, remained with the Anglo-Dutch forces.
Legacy
Gibraltar's capture gave Britain its first permanent naval foothold in the Mediterranean, enabling sustained operations against French and Spanish shipping and shaping British strategy for generations. The Treaty of Utrecht in 1713 formally ceded the territory to Britain, where it has remained a strategic asset and a recurring point of diplomatic friction with Spain.
Why It Matters
The acquisition established Britain's permanent foothold in the Mediterranean, influencing naval strategy and diplomacy for centuries. It symbolized the shift in European power during the War of the Spanish Succession and remains a point of contention between Britain and Spain today.
Related Questions
Why did the Anglo-Dutch fleet target Gibraltar in 1704?
The commanders sought a secure harbor to control the Strait of Gibraltar, support Mediterranean operations, and demonstrate success after earlier setbacks such as the failed attempt on Barcelona.
Who commanded the Spanish defense of Gibraltar?
Governor Diego de Salinas led a small garrison of about 430 men with limited supplies and many unserviceable guns.
What role did Prince George of Hesse-Darmstadt play?
As the Habsburg representative, he summoned the governor to surrender in the name of Archduke Charles and later formally took possession of the town.
How long did the main bombardment last?
The decisive naval bombardment by Admiral Byng's squadron began early on 3 August and continued for several hours before the landing.
When was Gibraltar formally ceded to Britain?
The Treaty of Utrecht in 1713 transferred sovereignty from Spain to Britain after the war ended.
Related Portfolio Site
US Military Atlas: Anglo-Dutch Forces Capture Gibraltar connects to military history, war consequences, or postwar diplomacy.
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Sources
- Capture of Gibraltar, Wikipedia. Accessed 2026-07-02.
- Gibraltar captured by Britain, Britannica. Accessed 2026-07-02.