Heart of Atlanta Motel, Inc. v. United States was a landmark Supreme Court case in 1964 that upheld the Civil Rights Act of 1964, specifically addressing the issue of racial discrimination in public accommodations. The case involved a motel in Atlanta that refused to rent rooms to Black patrons, which challenged the federal government's ability to regulate private businesses under the Commerce Clause. This ruling reinforced the legal principle that public facilities must be desegregated, connecting it to the broader movement for civil rights and equality in public spaces.