448 U.S. 371 (1980)
United States v. Sioux Nation of Indians is one of the most significant Supreme Court cases concerning Native American land rights and compensation under the Fifth Amendment.
Did the United States violate the Fifth Amendment by unlawfully taking the Black Hills without just compensation, as guaranteed in the Treaty of Fort Laramie?
Under the Fifth Amendment of the U.S. Constitution, the government is prohibited from taking private property for public use without providing 'just compensation.' This holding applies to both individual citizens and sovereign tribal entities.
The United States Supreme Court held that the Sioux Nation was wrongfully deprived of their land and affirmed the judgment of the Court of Claims, awarding the Sioux Nation monetary compensation for the unconstitutional taking of the Black Hills.
This case is an essential study for understanding the legal standards governing eminent domain, especially in the context of treaty rights and Native American land claims. It represents an acknowledgment of historical injustices faced by Indigenous tribes in the United States, offering a template for how future claims might be adjudicated. The decision underscores the necessity of adhering to treaty promises and exposes the legal rigor involved in addressing compensatory claims involving governmental wrongs.