▁terra e ▁of ▁Mis ere z ▁and ▁Pl oth . ▁ ▁The ▁actual ▁town ▁was ▁founded ▁during ▁the ▁Ost s ied lung , ▁after ▁ 1 2 5 0 . ▁Document ed ▁as ▁Germ in ▁( 1 2 6 9 ), ▁J erm in ▁( 1 2 7 7 ) ▁or ▁J erm yn ▁( 1 2 9 0 ), ▁it ▁was ▁part ▁of ▁the ▁poss essions ▁of ▁the ▁Cam min ▁b ish ops , ▁until ▁they ▁gave ▁it ▁to ▁Otto ▁I , ▁the ▁P omer an ian ▁du ke , ▁as ▁a ▁f ief ▁in ▁ 1 3 0 5 . ▁Jar men ▁remained ▁a ▁small ▁town , ▁but ▁prosper ed ▁moder ately ▁because ▁of ▁its ▁location ▁at ▁a ▁ford ▁and ▁the ▁maintenance ▁of ▁a ▁fer ry ▁service ▁since ▁ 1 3 6 8 . ▁In ▁ 1 6 3 1 , ▁Jar men ▁became ▁seat ▁of ▁the ▁Amt ▁U e ck erm ünd e . ▁At ▁this ▁time , ▁the ▁Th irty ▁Years ' ▁War ▁had ▁already ▁reached ▁the ▁area , ▁which ▁became ▁Swedish ▁in ▁the ▁following . ▁ ▁Jar men ▁remained ▁with ▁Swedish ▁P omer ania ▁until ▁ 1 7 2 0 , ▁when ▁the ▁area ▁south ▁of ▁the ▁Pe ene ▁river ▁became ▁Pr uss ian ▁as ▁a ▁consequence ▁of ▁the ▁Great ▁Northern ▁Wars . ▁In ▁ 1 7 4 2 ▁and ▁ 1 8 3 9 , ▁parts ▁of ▁the ▁town ▁burn ed ▁down . ▁In ▁ 1 8 6 3 , ▁the ▁fer ry ▁was ▁replaced ▁with ▁a