2779448 Events in the Balkans (colour litho) by French School, (20th century); Private Collection; (add.info.: Events in the Balkans. People of Bosnia-Herzegovina, and Bulgarian soldiers and officers. Taking advantage of tensions between the great powers over the Balkans, Bulgaria declared its independence on 5 October 1908. The following day Austria-Hungary announced its formal annexation of Bosnia and Herzegovina, which it had occupied as a protectorate since 1878. Both countries had previously been part of the Ottoman Empire. Les evenements des Balkans. Types de Bosnie et d\'Herzegovine. Soldats et officiers Bulgares. Illustration for Le Petit Journal, 18 October 1908.); 穢 Look and Learn.