September 2 – Japanese forces landed on China's Shandong province and surrounded the German settlement at Qingdao
September 6 – A seaplane launched by the seaplane-carrier Wakamiya. unsuccessfully attacked the Austro-Hungarian cruiser Kaiserin Elisabeth and the German gunboat Jaguar with bombs[3]
October – The Imperial Japanese Navy seized several of Germany's island colonies in the Pacific – the Mariana, Caroline, and Marshall Islands - with virtually no resistance. The Japanese Navy conducted the world's first naval-launched air raids against German-held land targets in Shandong province and ships in Qiaozhou Bay from Wakamiya.
October 17–November 7 – Naval operations around Qingdao, China.
October 31–November 7 – Siege of Tsingtao (Qingdao) concluded with the surrender of German colonial forces.
December 20 – Tokyo Station opened with four platforms; two serving electric trains and two serving non-electric trains.
^Donko, Wilhelm M. (2013), Österreichs Kriegsmarine in Fernost: Alle Fahrten von Schiffen der k.(u.)k. Kriegsmarine nach Ostasien, Australien und Ozeanien von 1820 bis 1914, Berlin: epubli, pp. 4, 156–162, 427