 From December 1941 until June 1942, following the United States' entry into World War II, the Homestead served as a high-end internment camp for 785 Japanese diplomats and their families until they could be exchanged through neutral channels for their American counterparts.The diplomats were later transferred to the Greenbrier Hotel in West Virginia.In 1943, during World War II, The Homestead hosting a very important conference of the United Nations in which was implemented the foundation of Food and Agriculture Organization.