▁The ▁Battle ▁of ▁K ro ppen hof ▁was ▁fought ▁during ▁the ▁Polish – S wed ish ▁War ▁( 1 6 2 1 – 1 6 2 5 ), ▁between ▁the ▁Polish – L ith uan ian ▁Commonwealth ▁and ▁the ▁Swedish ▁Empire ▁on ▁November ▁ 2 8 , ▁ 1 6 2 1 . ▁Polish - L ith uan ian ▁forces ▁under ▁the ▁command ▁of ▁Aleks ander ▁G os iew ski ▁defeated ▁the ▁Swedish ▁forces ▁commanded ▁by ▁Samuel ▁C ock burn . ▁ ▁References ▁▁ ▁( in ▁Polish ) ▁Jan ▁Kun owski , ▁Ek sp edy c ja ▁In fl ant ska ▁ 1 6 2 1 ▁R oku , ▁w ▁op rac ow aniu ▁Woj cie cha ▁Wal cz aka ▁i ▁Kar ola ▁Ł op ate ck iego , ▁B iał yst ok ▁ 2 0 0 7 ▁Sver iges ▁k rig ▁ 1 6 1 1 - 1 6 3 2 , ▁Bd ▁II ▁„ Pol ska ▁Kr ig et ” ▁Append ix ▁II , ▁Stockholm ▁ 1 9 3 6 ▁B ark man ▁Bert il ▁C ., ▁Lund kv ist ▁S ven , ▁K ung l . ▁S ve a ▁Liv g ard es ▁historia ▁III : 1 , ▁Stockholm ▁ 1 9 3 6 ▁ ▁K ro ppen hof ▁ 1 6 2 1 ▁K ro ppen hof ▁ 1 6 2 1 ▁K ro ppen hof ▁Category : 1 6 2 1 ▁in ▁Europe ▁Category : D uch y ▁of ▁Liv onia ▁Category : 1 7 th ▁century ▁in