Kammala wannan jumlar: A ranar 15 ga Agusta, 1914, a lokacin da aka fara yakin duniya na farko a Turai, Japan ta ba da ultimatum ga Jamus da ke buƙatar ta ba da ikon ta na yankin Kiaoutschou da ake jayayya. Bayan kin amincewa da karshe, Japan ta ayyana yaƙi a ranar 23 ga Agusta kuma a wannan ranar rundunar sojan ruwanta ta yi ruwan bama-bamai a yankin Jamus. A ranar 7 ga Nuwamba, 1914, sojojin Japan sun mamaye bay (duba
Kewaye da Tsingtao). Bayan warware matsalar Shandong, an mayar da yankin da aka mamaye zuwa China a ranar 10 ga Disamba 1922 amma Jafananci sun sake mamaye yankin daga 1937 zuwa 1945 a lokacin Yaƙin Sino-Jafanan na biyu.