Rubuta ci gaba don wannan sakin layi - Yakin da Teutonic Order ya ci gaba daga 1345, kuma a cikin 1348, Knights sun ci Lithuanians a yakin Strėva
Ka yi haƙuri. Kęstutis ya nemi Sarki Casimir na Poland ya yi sulhu da Paparoma da fatan juyar da Lithuania zuwa Kiristanci, amma sakamakon ba shi da kyau, kuma Poland ta karɓi daga Lithuania a cikin 1349 yankin Halych da wasu ƙasashen Ruthenian da ke arewa. Halin Lithuania ya inganta daga 1350, lokacin da Algirdas ya kulla kawance da Yariman Tver. Lithuania ta ba da Halych, wanda ya kawo zaman lafiya tare da Poland a 1352. Tabbatar da waɗannan ƙawancen, Algirdas da Kęstutis sun fara aiwatar da manufofi don ƙara faɗaɗa yankunan Lithuania.