History of Sarajevo more modern and advanced nation than the Ottoman Empire, Sarajevo was quickly westernized and adapted to their standards. A western education system was implemented, and Sarajevo's inhabitants started writing in Latin script for the first time. By 1910, Sarajevo was populated by just under 52,000 people. Just four years later the most famous event in the history of Habsburg Sarajevo, and perhaps in the city’s history, occurred. The Assassination in Sarajevo, during which a young Serb nationalist Gavrilo Princip assassinated Archduke Franz Ferdinand of Austria and his wife Sophie, Duchess of Hohenberg, on their visit to the city, started a
Prince Lorenz of Belgium, Archduke of Austria-Este to male primogeniture by declaration of Emperor Franz Joseph I of Austria on 31 October 1914 (following the assassination of Archduke Franz Ferdinand of Austria-Este) and was confirmed by Imperial Austrian letters patent, both of which conferred it (with the traditional coat-of-arms of the House of Austria-Este) upon Lorenz's father, Archduke Robert, on 16 April 1917, and has been confirmed for Lorenz by specific reference in Article IX.1 of the constitution of the Kingdom of Belgium. The "Este" suffix descended by male primogeniture and is borne by Lorenz and his successors as heads of the Austria-Este cadet branch of the