 Nyorai kupfuurira kweiyi ndima - Britain yakaunganidza pamwe chete vavakidzani kuti vagadzire Mubatanidzwa Wechitatu mukurwisana noUmambo hweFrance. Achipindura, Napoleon akanyatsofunga nezvokupinda muGreat Britain, ndokuunganidza mauto 180 000 paBoulogne. Asati apinda nechisimba, aifanira kuwana simba guru romugungwa - kana kuti zvimwe kudhonza ngarava dzeBritain kure neEnglish Channel. Chirongwa chakaoma kunzwisisa chokuvhiringidza vaBritain nokutyisidzira zvinhu zvavo muWest Indies chakakundikana apo ngarava dzeFrance neSpain dzaitungamirirwa naAdmiral Villeneuve dzakadzokera shure mushure mekuita zvisina musoro paCape Finisterre musi wa22 July 1805. Royal Navy yakavhara Villeneuve muCádiz kusvikira aenda kuNaples musi wa19 Gumiguru; boka reBritain rakabata nekukunda zvakanyanya boka revavengi muHondo yeTrafalgar musi wa21 Gumiguru mutungamiri weBritain, Ishe Nelson, akafa muhondo. Napoleon haana kuzovazve nomukana wokudenha vaBritain mugungwa, kana kuti kutyisidzira kupinda. Akafungazve nezvevavengi vake vaiva muAfrica. 