After Canadian painter Mary Riter Hamilton was rejected for service as a war artist because she was a woman, she trekked battlefields to create more than 320 works that recall the missing soldiers.
100 years after the end of World War I, some of its brutal lessons.
As tens of thousands of injured soldiers filled the UK's overwhelmed hospitals, the scale of World War I became all too apparent.
The humble carrier pigeon played a huge role in World War I and saved many lives. But despite huge technological advances, animals are still suffering and dying in modern wars.
From serial killers to attacks on prostitutes and soldiers, not everyone back in Britain during the war was heroic.
On an icy cold day in 1461, tens of thousands died in a muddy slaughter.
Commemorations for young people sanctify the Great War, but it's a conflict that needs to be questioned.
There was no need to censor Allied war reporters – they were required by law to follow the official line.
100 years after the Battle of the Somme, we are only now starting to unravel the mystery causes of shell shock.
After the Somme the British army was supplied with vastly more firepower than before. This would decide the course of this war.