 Nyorera kupfuurira kweiyi ndima - Chiito chechiuto chakatanga kuEastern Front musi wa17 Nyamavhuvhu 1914 neHondo yeStallupönen panguva yekupinda kweRussia kuEastern Prussia. Sezvo uto reGermany rakanga rakabatikana paWestern Front, vaRussia vakanga vatora inenge zvikamu zviviri muzvitatu zvePrussia uye vakanga vakamira kure neKönigsberg. Yakanga iri ndima yeGerman Empire chete, kunze kweAlsace-Lorraine paWestern Front, iyo yakaona zviito zvechiuto zvakananga munguva yehondo. VaRussia vakakundwa muHondo yeTannenberg uye vakadzokera shure, asi vakarwisazve muna October 1914. Panguva ino, vakakunda chikamu chimwe muzvishanu chePrussia. Hondo yakamira kusvika muna February 1915 apo maRussia akadzingwa muHondo yeChipiri yeMasurian Lakes. Aya mafungu maviri okurwiswa neRussia akaperekedzwa nokufamba kwevanhu vakawanda mumativi maviri akasiyana: vagari vomunzvimbomo vachienda kwakadzika muGermany uye kuendeswa kuSiberia. Kufungidzira kwazvino uno kunoisa chiverengero chavapoteri muGermany pa 870.000 muna August uye 300 000 muna October. Nokuenzanisa, kuverengwa kwevanhu kweGermany kwa1910 kwakanyora chiverengero chavagari veEast Prussia chaiva 2 064 175. 