When the First World War broke out in 1914, it became the most devastating conflict that the world had every seen. It remains the most destructive war that Britain has ever fought and few families were left untouched. But how did the assassination of the Austrian Archduke Franz Ferdinand lead to the Great Powers of Europe descending into conflict?
Why did the war that was meant to be over by Christmas bog down into trench warfare and stalemate? What was life like for the millions of men who found themselves in the trenches and those left at home who had to fight the world's first total war?