Mezue ahịrịokwu na-esonụ: N'Agha nke Nchịkọta nke Ise, Eze Ukwu Napoleon nke Mbụ nke France meriri Johann von Hiller na
Agha nke Landshut na 21 Eprel 1809 na Archduke Charles na Agha nke Eckmühl na 22 Eprel. Mmeri ndị a mere ka ndị agha Hiller, bụ́ ndị ọnụ ọgụgụ ha ka nke ya, nọrọ n'otu ebe n'akụkụ ndịda nke osimiri Danube. Ịlaghachi azụ Hiller mere ka ndị France nwee ike ijide Vienna. N'ihi ya, e nyere Archduke Maximilian nke Austria-Este ọrụ nke ijide Vienna na ndị agha 35,000 dịnụ. O'Reilly duziri battalion iri na anọ nke Austrian na Bohemian landwehr nke klas nke abụọ tinyere ụmụ amaala 6,000 nwere ngwa agha. Ndị agha ndị ọzọ gụnyere otu ndị agha nke battalion grenadier ise n'okpuru Michael von Kienmayer; Joseph Dedovich nkewa nke asatọ na-achịkwa, isii landwehr, na battalion isii ndị ọrụ afọ ofufo; na battalion anọ na ndị agha ise n'okpuru Armand von Nordmann na Joseph, Baron von Mesko de Felsö-Kubiny. Mgbe ha busịrị ya bọmbụ, Maximilian ahụ na-amaghị nke a na-akọ kpebiri ịhapụ isi obodo ahụ ma nye O'Reilly iwu ka o jiri ndị agha na-anọchi anya ya chịlie aka elu. Onye isi ndị agha ahụ mere ihe na-adịghị mma na mwepụ na O'Reilly kwụsịrị na 13 May na ndị agha 2,000, gụnyere ndị isi 13, ndị isi ndị isi 17, ndị isi 163. Nke ka njọ bụ na ndị France nwetaghachiri otu narị ngwá agha na igbe ndị agha nwere nde gulden anọ na ọkara.