 On 6 September 1914 a seaplane launched by "Wakamiya" unsuccessfully attacked the Austro-Hungarian cruiser "Kaiserin Elisabeth" and the German gunboat "Jaguar" with bombs.The Siege of Tsingtao concluded with the surrender of German colonial forces on 7 November 1914.In September 1914, by request of the Imperial Japanese Army, the Japanese Red Cross Society put together three squads, each composed of one surgeon and twenty nurses, which were dispatched to Europe on a five-month assignment.