World War I and beyond. On 28 June 1914, Archduke Franz Ferdinand, heir presumptive to the Austro-Hungarian Empire, visited the Bosnian capital, Sarajevo. A group of six assassins (Cvjetko Popović, Gavrilo Princip, Muhamed Mehmedbašić, Nedeljko Čabrinović, Trifko Grabež, and Vaso Čubrilović) from the Yugoslavist group Mlada Bosna, supplied with arms by the Serbian Black Hand, gathered on the street where the Archduke's motorcade was to pass, with the intention of assassinating him. The political objective of the assassination was to break off Austria-Hungary's South Slav provinces, which Austria-Hungary had annexated from the Ottoman Empire, so they could be combined into a Yugoslavia. Čabrinović
Nicholas II of Russia wife, Queen Mary. In February 1913, Nicholas presided over the tercentenary celebrations for the Romanov Dynasty. On 21 February, a "Te Deum" took place at Kazan Cathedral, and a state reception at the Winter Palace. In May, Nicholas and the imperial family made a pilgrimage across the empire, retracing the route down the Volga River that was made by the teenage Michael Romanov from the Ipatiev Monastery in Kostroma to Moscow in 1613 when he finally agreed to become tsar. On 28 June 1914 Archduke Franz Ferdinand of Austria, heir to the Austro-Hungarian throne, was assassinated by a Bosnian Serb