When the War of the Spanish Succession ended in 1713, Spain lost its Italian possessions of Sicily and Sardinia, and their recovery was a priority for Giulio Alberoni, the Chief Minister.
Sardinia was reoccupied in 1717 but when they landed on Sicily in July 1718, the Royal Navy destroyed the Spanish fleet at the Battle of Cape Passaro, beginning the War of the Quadruple Alliance.

To divert British resources from the Mediterranean, Alberoni devised a plan for 7,000 Spanish troops to land in South-West England, march on London and restore James Stuart.
Historians question how serious he was; since Alberoni was one of the few contemporary statesmen with experience of amphibious operations, he was well aware of how unlikely this was.
Cape Passaro demonstrated the Royal Navy's power in far less favourable circumstances, which meant the Spanish fleet was unlikely to even reach England, let alone be allowed to disembark large numbers of troops.
When the Spanish fleet finally left Cádiz in March, it was battered by a ferocious storm, and took refuge in Coruña, where it remained.

The plan included a simultaneous rising in Scotland, to capture Inverness, and allow a Swedish expeditionary force to disembark.
Driven by Charles XII of Sweden's dispute with Hanover, it shows the complexity caused by its ruler George I also being British monarch.
Charles died in November 1718, ending any hope of Swedish support, and thus the entire purpose of the Scottish uprising.

In the end, only two frigates carrying George Keith and 300 Spanish soldiers reached Stornoway in the Isle of Lewis.
Here they were joined by exiles from France, including the Earl of Seaforth, James Keith, the Marquess of Tullibardine, Lord George Murray and Cameron of Lochiel.
On 13 April, they learned of the failure elsewhere; Tullibardine, who was commander of Jacobite land forces, recommended retreat, but Keith prevented this by ordering the two frigates back to Spain.

With no other option, the main force of around 1,000 Highlanders plus the Spanish troops prepared to march on Inverness, leaving their excess stores at Eilean Donan guarded by 40 Spaniards.
On 10 May, a British naval squadron captured the castle, blocking any escape by sea, while Joseph Wightman's force of around 1,000 men with four Coehorn mortars advanced towards Glen Shiel.
On 9 June, they reached Loch Cluanie, less than 8 miles (13 km) from the Jacobite camp.
When the War of the Spanish Succession ended in 1713, Spain lost its Italian possessions of Sicily and Sardinia, and their recovery was a priority for Giulio Alberoni, the Chief Minister. Sardinia was reoccupied in 1717 but when they landed on Sicily in July 1718, the Royal Navy destroyed the Spanish fleet at the Battle of Cape Passaro, beginning the War of the Quadruple Alliance.
To divert British resources from the Mediterranean, Alberoni devised a plan for 7,000 Spanish troops to land in South-West England, march on London and restore James Stuart. Historians question how serious he was; since Alberoni was one of the few contemporary statesmen with experience of amphibious operations, he was well aware of how unlikely this was. Cape Passaro demonstrated the Royal Navy's power in far less favourable circumstances, which meant the Spanish fleet was unlikely to even reach England, let alone be allowed to disembark large numbers of troops. When the Spanish fleet finally left Cádiz in March, it was battered by a ferocious storm, and took refuge in Coruña, where it remained.
The plan included a simultaneous rising in Scotland, to capture Inverness, and allow a Swedish expeditionary force to disembark. Driven by Charles XII of Sweden's dispute with Hanover, it shows the complexity caused by its ruler George I also being British monarch. Charles died in November 1718, ending any hope of Swedish support, and thus the entire purpose of the Scottish uprising.
In the end, only two frigates carrying George Keith and 300 Spanish soldiers reached Stornoway in the Isle of Lewis. Here they were joined by exiles from France, including the Earl of Seaforth, James Keith, the Marquess of Tullibardine, Lord George Murray and Cameron of Lochiel. On 13 April, they learned of the failure elsewhere; Tullibardine, who was commander of Jacobite land forces, recommended retreat, but Keith prevented this by ordering the two frigates back to Spain.
With no other option, the main force of around 1,000 Highlanders plus the Spanish troops prepared to march on Inverness, leaving their excess stores at Eilean Donan guarded by 40 Spaniards. On 10 May, a British naval squadron captured the castle, blocking any escape by sea, while Joseph Wightman's force of around 1,000 men with four Coehorn mortars advanced towards Glen Shiel. On 9 June, they reached Loch Cluanie, less than 8 miles (13 km) from the Jacobite camp.
Battle of Glen Shiel