He was disappointed when Austria-Hungary failed to act as a great power, such as during the Boxer Rebellion in 1900. Who knows? His uncle, King Edward VII, treated him with jovial contempt whilst his cousin Tsar Alexander III disliked his aggressive amiability and distrusted him. United States declares neutrality. Austria-Hungary sends troops to the Serbian frontier. Assassinations and other politically charged murders were not out of the question for Princip. "[38] Princip's weapon was the pocket-sized FN Model 1910 pistol chambered for the .380 ACP cartridge provided him by Serbian Army Military Intelligence Lieutenant-Colonel and Black Hand leader Dragutin Dimitrijevi. He was frequently and rapidly promoted, given the rank of lieutenant at age fourteen, captain at twenty-two, colonel at twenty-seven, and major general at thirty-one. It cost $32 billion or 52% of the gross domestic product. Why should this new imperialist adventure be any different? The shot that rang out at Sarajevo on 28 June 1914 plunged Europe into one of the most devastating wars in its history. On 28 June 1914, Franz Ferdinand and his wife were assassinated in Sarajevo by the 19-year-old Gavrilo Princip, a member of Young Bosnia. Germany mobilised on 30 July, and Russia responded by declaring a full mobilisation that same day. The assassinations, along with the arms race, nationalism, imperialism, militarism of Imperial Germany and the alliance system all contributed to the origins of World War I, which began a month after Franz Ferdinand's death, with Austria-Hungary's declaration of war against Serbia. The First World War feels almost like a murder mystery, with many suspected causes, and complex motives. The truth was that there were many countries and population groups unhappy with existing conditions. Russia hoped to gain control of the Straits of Dardanelles from the Ottoman Empire, giving their fleet access to the Mediterranean Sea for the first time ever. When Austria-Hungary doesnt comply a state of war is declared at 11.00pm. Episode 3: When war broke out in August 1914, Britains regular army numbered only 250,000. All these issues built up tension between the countries of Europe, until finally the metaphorical bubble popped. Peace might just happen all around the world! Why did the assassination of Archduke Franz Ferdinand of Austria lead to fighting? But Austria-Hungary had been looking for an excuse to attack Serbia, and this provided them with the cause they needed. Well, these festivities lasted until the Sunday, and Sunday night we heard that Archduke Franz Ferdinand, who was the heir to the throne of Austria, had been murdered with his wife down in Bosnia. Imperialism was another important trend that helped expand and accelerate the war. It was the first time that my parents took me to the races, and a short while before the Derby the music broke off; we didnt know the reason.