the german army's forces for the invasion of poland with the codename fall weiss (english - case white) were divided into army group north (consisting of the german 3rd and 4th armies) and army group south (consisting of the german 8th, 10th, and 14th armies, and the slovak army group bernolak). army group c was on the western border of germany defending against a potential french attack. this order of battle is for 0447 on september 1, after which things started to get shuffled.