 Complete the following phrase:  Gleichen served as a Page of Honour to the Queen from 1874 to 1879. He joined the Grenadier Guards in 1881 and gradually rose through the ranks over the years, eventually becoming a Major General. He served in the short-lived Guards Camel Corps in the Sudan campaign in 188485 and with the Egyptian army in the Dongala campaign in 1896. In 18991900 he served in the Second Boer War in South Africa, and was mentioned in despatches for his actions during the 