The Balkan crisis of 18758 may be considered as a prelude to the 191418 War.The Balkan crisis of 18758 may be considered as a prelude to the 191418 War: certainly the grouping of the Powers in 1914 was virtually determined by the interests which existed already in 18758. This study of the crisis is based on documents from the British, Austrian, and Serbian archives, the papers of Sir Henry Lanyard and the archives of the Russian Embassy in London.The Balkan crisis of 18758 may be considered as a prelude to the 191418 War: certainly the grouping of the Powers in 1914 was virtually determined by the interests which existed already in 18758. This study of the crisis is based on documents from the British, Austrian, and Serbian archives, the papers of Sir Henry Lanyard and the archives of the Russian Embassy in London.The Balkan crisis of 18758 may be considered as a prelude to the 191418 War: certainly the grouping of the Powers in 1914 was virtually determined by the interests which existed already in 18758. This study of the crisis is based on documents from the British, Austrian, and Serbian archives, the papers of Sir Henry Lanyard and the archives of the Russian Embassy in London.1. The Great Powers and the Balkans before 1875; 2. The Insurrection in Bosnia and Herzegovina; 3. The Andrassy Note; 4. The Berlin Memorandum and the Reichstadt Agreement; 5. The Serbo-Turkish War; 6. The Constantinople Conference; 7. The Russo-Turkish War; 8. The Armistice of Adrianople; 9. The Treaty of San Stefano; 10. The Revision of the Treaty of San Stefano; 11. The Congress of Berlin.