There are no living survivors of the Great War who can talk about their experiences.
In this report the sons and daughters of four men who served reflect on why they will always see their fathers as heroes.
More than 1200 sunflowers are being put on display in a church garden in Stockton to commemorate the local people who died in World War One.
Kenny Toal joins 250 Leyton Orient fans on a trip to the Somme and visits the graves of three North East footballers who never came home.
The story of three North East footballers who played for Orient - and who died in the First World War - still remembered 100 years on