Introduction The outbreak of World War I in 1914 was not an overnight event. It was the culmination of decades of tensions, rivalries, and diplomatic failures among European powers. A series of international crises acted as sparks that deepened mistrust and militarism. For UPSC aspirants, understanding these crises is crucial because they reveal how imperialism, nationalism, and alliance systems laid the foundation for the First World War. WW 1. Major International Crises Before World War I 1. The Moroccan Crises (1905 & 1911) 1905 (First Moroccan Crisis): Germany opposed French influence in Morocco, challenging the Anglo-French Entente Cordiale . Outcome: Algeciras Conference (1906) — France gained recognition, Germany isolated. 1911 (Second Moroccan Crisis): Germany sent gunboat Panther to Agadir, escalating tensions. Impact: Britain and France drew closer; Germany seen as aggressor. 2. The Bosnia Crisis (1908–09) Austria-Hungary annexed Bosni...