This is a large world map, detailing the key events of World War II in 1942 and '41, including the attack on Pearl Harbor.  It was developed by C. C. Petersen Advertising Company (Toronto, Canada).  This example shows ad for Upson Co. of New York.  Insets throughout the map indiate events by date and location through 1942.  Countries are color coded by their chosen sides and military advancements are also color coded.