 Nyorai kupfuurira kweiyi ndima - Kuramba kweTurkey kuita zvisarudzo zvemusangano kwakapa Russia mukana wakamirirwa kwenguva refu wokuita zvinangwa zvayo zvenguva refu zvine chokuita neUmambo hweOttoman. Nemhaka yokuti mukurumbira wayo wakanga uri mungozi, Russia yakazivisa hondo kuvaOttoman muna April 1877. VaBulgaria vakarwawo pamwe chete nevaRussia vakanga vachiuya. Russia yakaumba hurumende yenguva pfupi muBulgaria. Mauto eRussia neOpalchentsi yeBulgaria akakunda maOttoman zvine mutsindo paShipka Passuye Pleven. Pakazosvika January 1878 vakanga vasunungura nzvimbo dzakawanda dzeBulgaria. 