Ramba uchiverenga ndima iyi - Somugumisiro wehondo dzakakanganiswa dzehondo dzaNapoleon, Sweden yakabatana neHumambo hweRussia, United Kingdom nemamwe mapato eChikamu Chechina
mukurwisana neFrance yaNapoleon. Zvisinei, pashure pesungano yeTreaty of Tilsit muna 1807, Russia yakaita rugare neFrance ndokusiya mubatanidzwa wacho. Ikoku kwakabvumira Russia muna 1808 kupikisa Sweden muHondo yeFinland, nokuda kwokutonga Finland. MuChibvumirano cheFredrikshamn musi waSeptember 17, 1809 Sweden yakasungirwa kubvisa nharaunda yayo yose muFinland, kumabvazuva kweRwizi Torne, ichienda kuRussia.