 Nyorera kupfuurira kweiyi ndima - Pakati pa 850 na 1100, Humambo hwakagadzira hukama hwakasanganiswa nehurumende nyowani yeKievan Rus, iyo yakanga yabuda kuchamhembe mhiri kweGungwa Dema. Ukama uhwu hwaiva nemigumisiro yakareba munhoroondo yevaSlav vokuMabvazuva, uye Umambo hwakakurumidza kuva mutengesi mukuru uye mutengesi wetsika weKiev. VaRus vakatanga kurwisa kwavo kwokutanga Constantinople muna 860, vachipamba nharaunda dzakapoteredza guta racho. Muna 941, vakaoneka pamhenderekedzo yeAsiayeBosphorus, asi nguva ino vakapwanywa, chiratidzo chokuvandudzwa kwenzvimbo yeuto reByzantium pashure pa 907, apo bedzi hurumende yakanga yakwanisa kudzorera vapambi. Basil II aisagona kufuratira simba reRus rakanga riri kubuda, uye, achitevera muenzaniso wavakatangira, akashandisa rudzidziso senzira yokuita nayo zvinangwa zvamatongerwe enyika. Ukama hweRussia neByzantium hwakava pedyo zvikuru pashure pokuroorwa kwaAna Porphyrogeneta naVladimir Mukuru muna 988, uye chiKristu chakazotevera cheRussia. Vapristi veByzantium, vavaki, uye vanyori vakakokwa kuti vashande pamachechi akawanda nemachechi akapoteredza Rus, vachiwedzera simba retsika dzeByzantium, nepo vazhinji veRus vaishandira muuto reByzantium sevarwi, kunyanya seVarangian Guard. 