Five Lines about World War 1 (1914-1918)
1. It began after Assassination of Archduke Franz Ferdinand and His wife.
2. Central Powers (Germany, Austria-Hungary, Bulgaria and Ottoman Empire) fought against the Allied Powers (Great Britain, France, Russia, Italy, Romania, Japan and the United States )
3. Germany declare war against Russia on 1 August and 3 August against France invading neutral Belgium in 1914.
4. The October revolution took place in Russia on 7 Nov 1917 to 8 Nov 1918 against Czar led by the Bolsheviks and outside Russia it is known as November Revolution.
5. World War 1 ended on 11 November 1918 ("Paris time: the eleventh hour of the eleventh day of the eleventh month")