"Oss\u00F3w" . . "Battle of Oss\u00F3w" . "Battle of Oss\u00F3w" . . . . . . . . . "1920-08-14" . . . . . . "4 regiments" . . . "battle of Oss\u00F3w" . "Polish victory" . "ca. 600 (including ca. 100 killed)" . "3 regiments" .