http://www.onwar.com/chrono/1942/jun42/f25jun42.htm
Germans advancing in the Ukraine
Thursday, June 25, 1942 www.onwar.com
On the Eastern Front... The German offensive in the south causes a Soviet retreat from Kupyansk on the Oskol River, east of Kharkov.
In North Africa... British Commander in Chief, General Auchinleck removes General Ritchie from command of the 8th Army and assumes direct command himself.
From Washington... General Dwight D. Eisenhower is appointed to command land forces in Europe.