Today in World War II History—Sept. 28, 1942 POSTED: Thursday, September 28, 2017 by Sarah Sundin Australian soldier examines Japanese artillery shells abandoned at Ioribaiwa, New Guinea, Sept. 1942 (Australian War Memorial) 75 Years Ago—Sept. 28, 1942: Australians take Ioribaiwa in drive back up Kokoda Trail on New Guinea.