In World War I, Charles Worsley served as a lieutenant in C Squadron of the Royal Horse Guards during hostilities in Flanders, commanding a machine gun section. On 30 October 1914, Worsley's section was cut off at Zandvoorde, Belgium, by a German attack and he was killed at the age of 27. Lord Worsley was first listed as "missing in action", but was officially recorded as dead early in 1915.