One of the main commemorations of the day will take place in Mons this evening, the place where the first and last soldiers of World War One died. David Wood has been speaking to the family of one man from Pembrokeshire whose body is buried there
People across Wales are switching off their lights for an hour this evening and lighting a candle of remembrance.
ITV Wales correspondent Richard Morgan writes about his experience of researching the stories behind those killed in the Great War
All in one place: See some of ITV Wales's reports marking the centenary of the outbreak of the First World War here.