▁account ed ▁for ▁approximately ▁ 5 2 % ▁of ▁the ▁entire ▁corps ▁( 1 5 , 4 9 2 ▁out ▁of ▁ 2 9 , 3 7 2 ). ▁Ar ound ▁ 4 , 6 0 0 ▁of ▁them ▁remained ▁by ▁July ▁ 1 9 4 6 . ▁ ▁It ▁was ▁not ▁the ▁only ▁Polish ▁formation ▁that ▁fought ▁along ▁the ▁Al lied ▁side , ▁nor ▁the ▁first ▁one ▁in ▁the ▁East ▁- ▁although ▁the ▁first ▁Polish ▁force ▁formed ▁in ▁the ▁USS R , ▁the ▁Anders ▁Army , ▁had ▁by ▁that ▁time ▁moved ▁to ▁Iran . ▁The ▁Polish ▁forces ▁soon ▁grew ▁beyond ▁the ▁ 1 st ▁Division ▁into ▁two ▁major ▁commands ▁- ▁the ▁Polish ▁First ▁Army ▁commanded ▁by ▁Z yg m unt ▁Ber ling , ▁and ▁the ▁Polish ▁Second ▁Army ▁head ed ▁by ▁Kar ol ▁Ś w ier cz ew ski . ▁The ▁Polish ▁First ▁Army ▁participated ▁in ▁the ▁V ist ula – O der ▁Off ensive ▁and ▁the ▁Battle ▁of ▁Kol berg ▁( 1 9 4 5 ) ▁before ▁taking ▁part ▁in ▁its ▁final ▁off ensive ▁with ▁the ▁Battle ▁of ▁Berlin . ▁ ▁After ▁the ▁war ▁ ▁Following ▁the ▁Second ▁World ▁War , ▁the ▁Polish ▁Army ▁was ▁re organ ized ▁into ▁six ▁( l ater ▁seven ) ▁main ▁military ▁districts : ▁the ▁Wars aw ▁Military ▁District ▁with ▁its ▁headquarters ▁in ▁Wars aw , ▁the ▁Lub lin ▁Military ▁District , ▁Krak ów ▁Military ▁District , ▁Ł ód ź ▁Military ▁District , ▁Poz na ń ▁Military ▁District , ▁the ▁P omer an ian ▁Military ▁District