Question: When did biltmore house open to the public?
Disambiguated questions and answers: question: When did biltmore house first open to the public during the Great Depression?
When did biltmore house's Inn open to the public?
When did biltmore house's Antler Hill Village open to the public?
When did biltmore house's Village Hotel open to the public?
answer: March 1930
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Natural Questions answer: March 1930 (from the Wikipedia article "Biltmore Estate")