Today in World War II History—Oct. 3, 1943 POSTED: Wednesday, October 3, 2018 by Sarah Sundin Map of the Solomon Islands area, WWII (US Army Center of Military History) 75 Years Ago—Oct. 3, 1943: Japanese finish evacuating Kolombangara, their last air base in the Solomons, after the island had been bypassed and isolated by the Allies.