The regiment was raised in 1794 following an expansion of the British foreign corps, and served in the Flanders campaign, notably at the Battle of Boxtel.

In the spring 1794, the British War Office ordered the formation of several new units within the Holy Roman Empire, notably within Hanover and Swabia.

The new group would be composed of the following: one Hussar Regiment of three squadrons and two mounted chasseurs (rifles) were attached totalling 913 in all ranks.

[2] By early 1795, Prince Frederick, Duke of York and Albany had joined the Austrian Army of the Netherlands in Wallonia, in preparation for his planned Invasion of France.

[2] On 14 September 1794, British command received despatches reporting an attack by the majority of the French Army of the North under Général de Division Jean-Charles Pichegru.

From the west, a British Fleet would transport a large émigré force to Brittany and land at Quiberon Bay with a plan of uniting with the Catholic and Royal Armies, which had already begun the first phase with the War in the Vendée in 1793.

By 11 July Hompesch's and Salm's Hussars were still based in Flanders and the desertion rate soared after news arrived that the regiment would be embarking shortly.