Battle of Grudziądz
... that sources give two different commanders for the Polish forces participating in the Battle of Grudziądz?
... that sources give two different commanders for the Polish forces participating in the <b id="mwDWI"><a href="./Battle_of_Grudziądz_(1659)" id="mwDWM" rel="mw:WikiLink" title="Battle of Grudziądz (1659)">Battle of Grudziądz</a></b>?