Rubuta ci gaba don wannan sakin layi - A farkon yakin duniya na farko, "S90" ya kasance a cikin mulkin mallaka na Jamus a Tsingtao, China. A Lokacin Kewaye Tsingtao
a watan Oktoba na shekara ta 1914 sai ta nutse kuma ta yi niyya a ranar 17 ga Oktoba, 1914.