Pedzisa mutsara unotevera: Muutongi husina simba hwaFrederick William II (1786-.1797) Prussia yakanga yapinda mukuderera kwakakomba mune zvoupfumi, zvematongerwe enyika uye zvechiuto. Mutsivi wake mambo Frederick William III akaedza kuramba asina kwaakarerekera munguva yeHondo yeTatu yeMubatanidzwa uye kuparadzwa kweHurumende Tsvene yeRoma nemutongi weFrance Napoleon uye kurongeka patsva kweumambo hweGerman. Akurudzirwa namambokadzi nebato raitsigira hondo Frederick William akabatana ne
Mubatanidzwa Wechina muna October 1806. Napoleon akakunda nyore nyore uto rePrussia muHondo yeJena ndokutora Berlin. Prussia yakarasikirwa nenharaunda dzayo dzakanga dzichangobva kuwanwa kumadokero kweGermany, uto rayo rakaderedzwa kuva varume 42 000, hapana kutengeserana neBritain kwakanga kuchibvumirwa uye Berlin yaifanira kubhadhara Paris muripo mukuru uye kutsigira mari uto reFrance rokupamba. Saxony yakachinja rutivi kuti itsigire Napoleon ndokupinda muConfederation of the Rhine. Mutongi Frederick Augustus I akapiwa zita roumambo uye akapiwa chikamu chePoland chakatorwa kuPrussia.