The regiment arrived in Quebec City June 19, 1755. These soldiers left immediately for Fort Saint Frédéric, and on the orders of Dieskau, push back the British troops to Lake George. After the battle, the regiment was sent to Fort Carillon, then under construction. The regiment was then sent towards the south and participated in the Siege of Fort William Henry. On July 8, 1758, the second battalion participated at the Battle of Carillon. In May 1759, they went to Quebec City where they participated in the defense of the city. They took part at the battles of Montmorency, Plains of Abraham, and Sainte-Foy.