Daular Rasha ta shiga yaƙin duniya na ɗaya a hankali a cikin kwanaki uku kafin ranar 28 ga Yuli, 1914. Hakan ya fara ne da shelar yaƙi da Ostiriya-Hungary da Sabiya, wadda ke kawance da Rasha a lokacin.Daular Rasha ta aike da wa'adin, ta St Petersburg, zuwa Vienna, tana gargadin Austria-Hungary da kada ta kai wa Serbia hari.Bayan mamayar Serbia, Rasha ta fara tattara sojojinta na ajiye a kusa da iyakarta da Ostiriya-Hungary.Saboda haka, a ranar 31 ga Yuli, daular Jamus a Berlin ta bukaci Rasha ta rushe.Babu wani martani, wanda ya haifar da sanarwar yaƙin Jamus a kan Rasha a wannan rana (1 ga Agusta, 1914).Dangane da shirinta na yaki, Jamus ta yi watsi da Rasha kuma ta fara tunkarar Faransa, inda ta ayyana yaki a ranar 3 ga Agusta.Jamus ta aika da manyan sojojinta ta Belgium don kewayeParis .Barazanar da Beljiyam ta yi ya sa Birtaniya ta shelanta yaki a kan Jamus a ranar 4 ga watan Agusta . Daular Usmaniyya ba da jimawa ba ta shiga tsakiyar kasashen da ke da karfi tare da yaki da Rasha a kan iyakarsu.