Japan-U.S. Prisoner Exchange, 1942

From Japan, 1941: Countdown to Infamy, by Eri Hotta (Vintage, 2013), pp. 385-387: On the night of June 18, 1942, the Gripsholm of the Swedish American Line set sail from New York with a group of Japanese nationals aboard who had been detained in various makeshift camps, including one on Ellis Island. The Japanese government, in return, had dispatched the Asama Maru from the port of Yokohama, and later the Italian ship Conte Verde from Shanghai, carrying North and South American nationals home. Some of the notable faces among the Japanese group were Nomura and Kurusu. On the day of Japan’s attack on Pearl Harbor, December 7, 1941, the two men endured the most unnerving public humiliation imaginable for any diplomat. To ensure the success of the military operations in Hawaii and Malaya, the Japanese government kept the two ambassadors completely in the dark about its decision to go to war. They were notified of Tokyo’s intention to terminate diplomatic relations only hours before the…