Today in World War II History—June 28, 1942 POSTED: Wednesday, June 28, 2017 by Sarah Sundin Maj. Gen. Lewis Brereton (public domain via Wikipedia) 75 Years Ago—June 28, 1942: Germans begin summer offensive in Ukraine toward Stalingrad. US Army Middle East Air Force is formed in Cairo, Egypt under Maj. Gen. Lewis Brereton.