 Ramba uchiverenga ndima iyi - Sezvo vaFrance vakapinda muPoland, vakarwisana nevaRussia nevaPrussian mune zviito zvakatevedzana, chakanyanya kuzivikanwa chaiva Hondo yeCzarnowomusi wa23 na24 December 1806. Musi wa24, Ney akatumira divi raMarchand mberi kunotora Działdowo Soldau naMława. Akasvika paSoldau nenguva dza2:00 masikati musi wa25 Zvita aine maregiment maviri uye akadzinga battalion yePrussian yaakawana imomo. Nokukurumidza pashure pacho, mapoka ake maviri akasara akabatana naye pashure pokufora achipfuura nomuMława. Na5:00 manheru, brigade raChristoph Friedrich Otto Diercke rePrussia rakauya rikarwisa Soldau asi rakadzoswa shure kwekurwa zvakaoma. Marchand akashuma kurasikirwa ne220 vakafa kubva kuvarwi ve6,000 uye pfuti gumi nembiri, nepo Ney akataura kuti lieutenant wake akakonzera 800 vakafa pavarume ve3,000 vaDiercke uye pfuti 8. Panguva ino, Chiedza chechitanhatu chakanga chakatsiviwa kwenguva pfupi ne27th Line Infantry Regiment, nepo mamwe mauniti akaramba akafanana. Marchand akatungamirira divi rake muHondo yeEylau musi wa 8 Kukadzi 1807. 