Question: What year was George Sellars fatally wounded at the Battle of Messines in West Flanders, Belgium?
Sentence (from "Battle of Messines (1917)"): The tactical objective of the attack at Messines was to capture the German defences on the ridge, which ran from Ploegsteert (Plugstreet) Wood in the south, through Messines and Wytschaete to Mt. Sorrel, to deprive the German 4th Army of the high ground south of Ypres.
Relevant evidence: No