During the War of the Austrian Succession, it fought at Fontenoy in 1745, before being recalled to Scotland to suppress the 1745 Rebellion, taking part in the battles of Falkirk and Culloden. Following the reforms of 1751, it became the 14th Regiment of Foot, then returned to Gibraltar for another 8-year stay. In 1765, when stationed at Windsor, it was granted royal permission for the grenadiers to wear bearskin caps with the White Horse of Hanover signifying the favour of the King.