Buuxi weedha soo socota: Bishii May 1941 Panzer Group 1 waxaa lagu daray Field Marshal Gerd von Rundstedt's Army Group South bilowgii Howlgalka Barbarossa. Bilowgii Hawlgalka Barbarossa bishii Juun 1941, Kooxda Panzer Group 1 waxaa ku jiray III, XIV iyo XLVIII Army Corps (motorized) oo leh shan qaybood oo panzer ah iyo afar qaybood oo motorized ah (laba ka mid ah SS) oo ay ku jiraan 799 taangi. Kooxda Panzer Group 1 waxay ka shaqeyneysay qaybta koonfureed ee Bariga hore ee ka dhanka ah Ciidanka Cas.
Dagaalkii Brody oo ay ku lug lahaayeen ilaa 3,000 oo tankiyo ah oo ka tirsan ciidanka cas. Cutubyada Kooxdu waxay xireen hareeraha ciidamada Soviet-ka ee Uman iyo Kiev. Kadib burburkii Kiev Panzer Group 1 waxaa loo ballaariyay in ay noqoto ciidankii 1aad ee Panzer (6 Oktoobar 1941) iyadoo Kleist uu wali ku jiray amarka. Ciidanku waxay qabsadeen Rostov, laakiin waxaa lagu qasbay inay dib u laabtaan sideed maalmood ka dib.