The First Battle of the Marne marked the end of the German sweep into France and the beginning of the trench warfare that was to characterise World War One. Germany's grand Schlieffen Plan to ...

The first day on the Somme, 1 July 1916, was the bloodiest day of World War One for the British army. Where did it all go wrong? WW1: What caused Verdun to be the longest battle of the war?