Rubuta ci gaba ga wannan sakin layi - An katse aikinsa na fastoci da ilimi ta hanyar tayar da hankali na 1863<unk>1864
kuma ya zama mai matukar wahala yayin da gwamnatin Rasha ta tsaurara matakanta bayan rugujewar tawayen. Duk da haka waɗannan yanayin ba su hana shi bin tafarkin da ba zai iya kawo shi cikin rikici kai tsaye da hukumomi ba. Ya yi duk wani kokari don rushe shirin gwamnati na Russification. A cikin 1874 Valančius ya kamu da rashin lafiya kuma ya mutu a Kaunas a ranar 29 ga Mayu, 1875. An binne shi a cikin crypt na Kaunas Cathedral Basilica.