Rubuta ci gaba don wannan sakin layi - sansanin soja taka rawa a cikin yakin duniya na. A watan Oktoba, 1914 a muhimmanci yaƙi
An yi yaƙi a kusa da shi, inda sojojin Rasha suka kori haɗin gwiwar Jamus da Austro-Hungarian. Bayan wannan yaƙin an ƙara inganta kariya ta sansanin, kuma ya zama mafi mahimmanci a matsayin anga na matsayin Rasha a kan Vistula. Koyaya, koma baya a wasu wurare a gaba ya tilasta wa Russia ta watsar da Ivangorod a watan Agusta 1915. A cikin 1920, yankin Dęblin shine farkon farawa ga harin Poland wanda ya yanke hukuncin Kaddarar Warsaw da kuma duk Yakin Poland-Soviet. A cikin shekarun 1918-1939, a matsayin wani ɓangare na Poland mai zaman kanta, Dęblin ya ci gaba da samun babban mahimmancin soja. Garkuwar Dęblin ta kasance ta Rundunar Sojoji ta 15 na Sojojin Poland, kuma a ƙauyen da ke kusa da Stawy daya daga cikin manyan rumbunan ajiyar bindigogi na Sojojin Poland ("Główna Składnica Uzbrojenia nr. 2") an gano shi. A cikin 1927 sanannen kwalejin Sojan Sama na Poland an ƙaura shi zuwa Dęblin, bayan da aka kafa shi a Grudziądz a cikin 1925 (an gudanar da wasu horo na matukan jirgi a nan tun 1920). Ya ci gaba da aiki a yau.