The Great Siege

The Great Siege of Gibraltar was one of the longest and most dramatic battles in Gibraltar’s history. It took place between 1779 and 1783, when Spain and France tried to capture Gibraltar from Britain. Because the Rock was so important for controlling access to the Mediterranean Sea, both sides were determined to win.

During the siege, life for the people in Gibraltar was extremely hard. Food became scarce, and sickness spread easily. Soldiers and civilians worked together to strengthen the defences, dig tunnels into the Rock, and fire huge guns at the enemy. One of the most famous inventions was the inland firing galleries, created by the British to fire artillery from inside the Rock at the attacking forces.

Spain and France used massive floating batteries—giant wooden ships covered in armour—to try to destroy Gibraltar’s defences. However, the British successfully set them on fire, destroying this powerful attack. Despite constant shelling and pressure, Gibraltar never surrendered.

After more than three and a half years, the siege ended in 1783 when Britain, Spain, and France agreed to stop fighting. The people of Gibraltar had shown great courage and resilience. Their defence of the Rock during the Great Siege became an important part of Gibraltar’s identity and history.

After studying the Great Siege of Gibraltar, pupils should be able to:

• Understand the historical context – Explain why Spain and France attacked Gibraltar and how it related to the American Revolutionary War.

• Identify key people and roles – Recognize the contributions of Eliott, Boyd, Green, Curtis, and Sergeant Major Ince.

• Describe fortifications and defences – Explain how Gibraltar was defended by bastions, walls, tunnels, and artillery.

• Explain life during a siege – Describe how soldiers and civilians survived under blockade, disease, and bombardment.

• Understand military innovations – Identify weapons and strategies like red-hot shot, floating batteries, and depression carriages.

• Analyze British and enemy tactics – Explain sorties, blockade running, and naval engagements.

• Recognize outcomes and significance – Understand the results of the siege, British and Spanish/French losses, and the lasting importance of Gibraltar.

• Learn key terminology – Define terms from the glossary in the context of siege warfare.