Wars of this decade included the Philippine–American War, the Second Boer War, the Thousand Days' War, the Anglo-Somali War, the Kuwaiti–Rashidi war, the Saudi–Rashidi War, the Russo-Japanese War, and the Honduran-Nicaraguan War. The Scramble for Africa continued, with the Orange Free State, South African Republic, Ashanti Empire, Aro Confederacy, Sokoto Caliphate and Kano Emirate being conquered by the British Empire, alongside the French Empire conquering Borno, the German Empire conquering the Adamawa Emirate, and the Portuguese Empire conquering the Ovambo. Atrocities in the Congo Free State were committed by private companies and the "Force Publique", with a resultant population decline of 1 to 15 million. The Herero and Namaqua genocide saw 24,000 to 100,000 Hereros and 10,000 Namaqua killed by German colonial forces. The Adana massacre of 1909 saw up to 30,000 mainly Armenian civilians being massacred by local Ottoman Muslims.