| United States v. Sioux Nation of Indians | |
|---|---|
 | |
| Argued March 24, 1980 Decided June 30, 1980 | |
| Full case name | United States v. Sioux Nation of Indians, et al. |
| Citations | 448 U.S. 371 (more) 100 S. Ct. 2716; 65 L. Ed. 2d 844; 1980 U.S. LEXIS 147 |
| Case history | |
| Prior | Sioux Nation of Indians, et al. v. United States, 601 F.2d 1157 (Ct. Cl. 1979). |
| Holding | |
| 1) The enactment by Congress of a law allowing the Sioux Nation to pursue a claim against the United States that had been previously adjudicated did not violate the doctrine of separation of powers, and 2) the taking of property that was set aside for the use of the tribe required just compensation, including interest. | |
| Court membership | |
| |
| Case opinions | |
| Majority | Blackmun, joined by Burger, Brennan, Stewart, Marshall, Powell, Stevens; White (parts III, V only) |
| Concurrence | White |
| Dissent | Rehnquist |
| Laws applied | |
| U.S. Const. amend. V; 15 Stat. 635 | |
United States v. Sioux Nation of Indians, 448 U.S. 371 (1980), was a United States Supreme Court case in which the Court held that: 1) the enactment by Congress of a law allowing the Sioux Nation to pursue a claim against the United States that had been previously adjudicated did not violate the doctrine of separation of powers; and 2) the taking of property that was set aside for the use of the tribe required just compensation, including interest. The Sioux have not accepted the compensation awarded to them by this case, valued at over $1 billion as of 2018.