At a vigil in France, the Duke of Cambridge paid tribute to the fallen soldiers, saying “we lost the flower of a generation”. Commemorations are being held in the UK and France to mark the ...

Allied with France and Britain, Grand Duke Nicholas, the Russian commander, agreed to help relieve the French, under attack from Germany, with an offensive in East Prussia. This required mobility ...

Our world has been shaped by two all-consuming conflicts - and by a global superpower stand-off that brought the world to the brink of destruction. Explore the in-depth sections below.