Question: In which month of 1917 did this battle during the World War I, in which Henry Maitland Wilson participated, start?
Sentence (from "Henry Maitland Wilson"): During the Second World War he served as General Officer Commanding-in-Chief (GOC-in-C) British Troops in Egypt, in which role he launched Operation Compass, attacking Italian forces with considerable success, in December 1940.
Relevant evidence: No