Battle of Kolubara their respective commands, and the 5th and 6th armies were merged into a single 5th Army of 95,000 men. On 28 June 1914, Bosnian Serb student Gavrilo Princip assassinated Archduke Franz Ferdinand of Austria in Sarajevo. The assassination precipitated the July Crisis, which led Austria-Hungary to issue an ultimatum to Serbia on 23 July on suspicion that the assassination had been planned in Belgrade. The Austro-Hungarian government made the ultimatum intentionally unacceptable to Serbia, and it was indeed rejected. The Austro-Hungarians declared war on Serbia on 28 July and that same day the Serbs destroyed all bridges on the Sava
History of the Scots Guards (1914–1945) History of the Scots Guards (1914–1945) This article details the history of the Scots Guards from 1914 to 1945. The Scots Guards (SG) is a regiment of the Guards Division of the British Army. The Scots Guards trace their origins back to 1642 when, by order of King Charles I, the regiment was raised by Archibald Campbell, 1st Marquess of Argyll for service in Ireland, and was known as the Marquis of Argyll's Royal Regiment. See Scots Guards (1805). On 28 June 1914, Archduke Franz Ferdinand and his wife the Countess Sophie were assassinated by a Serbian nationalist. This event