Following the assassination of Franz Ferdinand, Austria-Hungary issued a harsh ultimatum to which country, holding it responsible for the assassination and triggering the chain of events leading to war?
The complex web of pre-existing military alliances meant that once Austria-Hungary declared war on Serbia in July 1914, other major powers were rapidly drawn into the conflict through their treaty obligations, illustrating the destabilising effect of the:
During the First World War, the group of nations led by Germany and Austria-Hungary, later joined by the Ottoman Empire and Bulgaria, is generally referred to as the:
The group of nations led by France, Britain and Russia, and later joined by countries including Italy, Japan and the United States, is generally referred to in the context of the First World War as the:
Much of the fighting on the Western Front during the First World War was characterised by a grim, static form of combat involving opposing lines of fortified positions, known as:
