Ku qor sii wadida cutubkan - Ingiriisku waxay si kooban u qabsadeen Qingniwa intii lagu jiray Dagaalkii Labaad ee Opium ee 1858, laakiin waxay ku soo celiyeen gacanta Shiinaha (Qing) 1860. Port Arthur oo ku taala dhinaca Liaodong Peninsula waxay magaceeda Ingiriisiga ka qaadatay Royal Navy Lieutenant William Arthur, halka Shiinuhu ugu yeeray Lüshun. In kasta oo Shiinuhu si aad ah u xoojiyay aagga, oo uu u oggolaaday ganacsiga ajaanibta, Dagaalkii Koowaad ee Sino-Japan Japan ayaa si dhakhso leh uga adkaatay difaacyadaas 21kii Noofambar 1894 Dagaalkii Lüshunkou
, si deg deg ahna ugu fuliyay xasuuqii Port Arthur. Bishii Abriil 1895 Shiinaha wuxuu qirtay guuldaradii ka soo gaadhay Dagaalkii Koowaad ee Shiinaha iyo Japan, isagoo ka tanaasulay Jasiiradda Liaodong, Taiwan iyo Penghu, wuxuuna ka dhigay tanaasullo kale oo badan heshiiskii Shimonoseki (17 Abriil 1895).