Musi wa7 Nyamavhuvhu 1914, hurumende yeBritain yakakumbira zviri pamutemo Japan kuti ibatsirwe kuparadza vapambi kubva kuImperial German Navy mukati nekukomberedza mvura dzeChinese. Japan yakatumira Germany ultimatum musi wa23 Nyamavhuvhu 1914, iyo isina kupindurwa; Japan yakabva yazivisa zviri pamutemo hondo kuGerman musi wa23 Nyamavhuvhu 1914 muzita raMambo Taishō. Sezvo Vienna yakaramba kubvisa ngarava yeAustria-Hungarian cruiser SMS Kaiserin Elisabeth kubva kuQingdao, Japan yakazivisawo hondo kuAustria-Hungary, zvakare, musi wa25 Nyamavhuvhu 1914. Mauto eJapan akakurumidza kutora nzvimbo dzeGerman muFar East. Musi wa2 Gunyana 1914, mauto eJapan akamhara mudunhu reShandamiya reChina uye akakomberedza chitsuwa cheAustrian cheTsundao.
7 November 1914