▁ 1 4 1 0 , ▁one ▁of ▁the ▁biggest ▁batt les ▁in ▁medieval ▁Europe . ▁ ▁Background ▁After ▁the ▁Polish – L ith uan ian – Te ut onic ▁War ▁of ▁ 1 4 1 0 – 1 4 1 1 ▁not ▁all ▁issues ▁between ▁the ▁Grand ▁Duch y ▁of ▁Lith u ania ▁and ▁Te ut onic ▁Kn ights ▁were ▁settled . ▁The ▁most ▁content ious ▁matter ▁was ▁the ▁border ▁between ▁Sam og it ia ▁and ▁Pr uss ia . ▁Grand ▁Duke ▁of ▁Lith u ania ▁V y ta ut as ▁the ▁Great ▁demanded ▁the ▁entire ▁right ▁bank ▁of ▁the ▁N eman ▁River ▁including ▁the ▁town ▁of ▁Mem el ▁( K la ip ė da ). ▁The ▁Kn ights ▁demanded ▁that ▁after ▁death s ▁of ▁V y ta ut as ▁and ▁J og ail a , ▁King ▁of ▁Poland , ▁Sam og it ia ▁would ▁pass ▁to ▁them . ▁Sig ism und , ▁Holy ▁Roman ▁Emperor , ▁agreed ▁to ▁medi ate ▁the ▁dispute ▁and ▁appointed ▁Bened ict ▁Mak rai ▁to ▁hear ▁the ▁arguments . ▁On ▁ 3 ▁May ▁ 1 4 1 3 , ▁Bened ict ▁made ▁the ▁decision ▁and ▁recognized ▁the ▁right ▁bank ▁of ▁the ▁N eman ▁River , ▁including ▁ ▁K la ip ė da , ▁to ▁Lith u ania . ▁The ▁Kn ights ▁refused ▁to ▁accept ▁this ▁decision ▁and ▁Te ut onic ▁Grand ▁Master ▁Heinrich ▁von ▁Pla uen ▁ordered ▁Te ut onic ▁arm ies ▁into ▁northern ▁Poland . ▁The ▁army , ▁commanded ▁by ▁Michael ▁Kü ch meister ▁von ▁Stern