Ramba uchinyora ndima iyi - Achiri mukuru mukuru webrigade, Marulaz akazviwana achitungamirira chikamu chevatasvi vemabhiza cheMarchal André Masséna IV Corps pakutanga kweHondo yeChishanu Chibvumirano. Mutungamiri wake wevanhu 2,765 akabatanidza 3rd, 14th, 19th, uye 23rd Chasseurs à cheval Regiments, kuwedzera kune Baden Light Dragoon uye Hesse-Darmstadt Chevauléger Regiments. Mangwanani aApril 21, 1809, 23rd Chasseurs vakatora zambuko pamusoro peRwizi rweIsar paMoosburg mukubudirira kunoshamisa. Vatasvi vamabhiza vaMarulaz vakakurumidza kuyambuka kumahombekombe ekumabvazuva ndokutendeukira kuchamhembe kwakadziva kumabvazuva vakananga kuLandshut uko vaAustria vaJohann von Hiller vakanga vari kumira. Zuva iroro, Napoleon akakunda Hiller muHondo yeLandshut
. Mambo akanga achitarisira kubata vaAustria pakurwiswa nechin'anga pakati pemauto ake neaMasséna.