The Rohwer War Relocation Center, a Japanese American internment cap, opened in Desha County, Arkansas.
Popular myth has held that all internment camps were in the West, but this one obviously wasn't. 8,500 people were held there during the war, in a location that was probably as alien as imaginable from their homes.
FWIW, the current population of Desha County is nearly half of what it was in 1940.
The British occupied Tamataave on the east coast of Madagascar in their undeclared war on the Vichy French in Madagascar.
The British also concluded Operation Anglo, the long-running raid on Rhodes, successfully.
The 4,157 man 7th Marine Regiment and one battalion of the 11th Marine Regiment, land on Guadalcanal. Additionally, food arrives, allowing the Marines to go back to full rations.