What is the World War 1? First World War or the Great War, was a global war that began on 28 July 1914 and ended on 11 November 1918, It involved much of Europe, as well as Russia, the United States and Turkey, and was also fought in the Middle East, Africa and parts of Asia. The total number of military and civilian casualties in World War I, was around 40 million, There were 20 million deaths and 21 million wounded, The total number of deaths includes 9.7 million military personnel and about 10 million civilians. Now, let's discuss the causes of the world war 1. The major cause of the war was the assassination of Archduke Franz Ferdinand—heir to the Austro-Hungarian Empire—was shot to death along with his wife, Sophie, by the Serbian nationalist Gavrilo Princip on June 28, 1914 while inspecting the military of Austro-Hungarian Empire, Serbia decided to assassinate him because of his perceived threat to Serbian independence, Why did the assassination of Archduke Franz Ferdinand of...