The French Revolutionary Wars broke out in 1792 and in 1794, members of the 29th took part in the British naval victory known as the Glorious First of June, serving as marines on HMS "Brunswick" and "Ramillies". The regiment was awarded a naval crown for its participation in the battle, during which the "Brunswick" sank the French ship "Le Vengeur du Peuple" and disabled the "Achille". At the end of December 1794, a battalion of 21 officers and 640 men, formed from those in the 29th who were not detached to warships, embarked on the troopship "Maria" for the Caribbean island of Grenada, where discontent would lead to an insurrection in the coming months, known as Fédon's Rebellion or the Brigand's War. On their return to England in July 1796, the battalion had been reduced by battle casualties and disease to 5 officers and 87 men. It later fought in a more conventional role at Alkmaar in October 1799, during the Anglo-Russian invasion of Holland.