Bosnia and Herzegovina the annexation proclamation on 6 October 1908. Despite international furor and objections to the Austro-Hungarian annexation, Russians and their client state, Serbia, were compelled to accept the Austrian-Hungarian annexation of Bosnia Herzegovina in March 1909. In 1910, Habsburg Emperor Franz Joseph proclaimed the first constitution in Bosnia, which led to relaxation of earlier laws, elections and formation of the Bosnian parliament, and growth of new political life. On 28 June 1914, a Yugoslav nationalist youth named Gavrilo Princip, a member of the secret Serbian-supported movement, Young Bosnia, assassinated the heir to the Austro-Hungarian throne, Archduke Franz Ferdinand, in Sarajevo—an event
Hungary in World War I to defend. Hungary in World War I At the outbreak of World War I, Hungary was part of the dualist monarchy, Austria-Hungary. Although there are no significant battles specifically connected to Hungarian regiments, the troops suffered high losses throughout the war. In 1914, Austria-Hungary was one of the great powers of Europe, with an area of 676,443 km² and a population of 52 million, of which Hungary had 325,400 km² with population of 21 million. On June 28, 1914, Gavrilo Princip assassinated Archduke Franz Ferdinand of Austria. Before entering the war, only the prime minister Count István Tisza hesitated, unconvinced