The Duchess of Cambridge during a Ceremony at the St. Symphorien, Mons, commemorating the 100th anniversary of the start of the First World War. ... World War I centenary - Belgium ... 04-08-2014 ... Mons ... Belgium ... Photo credit should read: Gareth Fuller/PA Wire. ... Picture date: Monday August 4, 2014. See PA story HISTORY Centenary. Photo credit should read: Gareth Fuller/PA Wire05/08/2014 - Mons - Photo