In May 1946, the U.S. Supreme Court ruled 5-2 in favor of the Causbys in United States v. Causby.
Notes on verification
Confirmed by official U.S. Reports and multiple independent legal databases (Oyez, Cornell Law, Ballotpedia, FindLaw), all consistent on May 1946 decision date and 5-2 vote favoring the Causbys.
Sources
- How Much of the Sky Overhead Do You Own? (smithsonianmag.com)
- https://www.oyez.org/cases/1940-1955/328us256 (oyez.org)
- https://ballotpedia.org/UNITED_STATES_v._CAUSBY_ET_UX._(1946) (ballotpedia.org)
- https://www.law.cornell.edu/supremecourt/text/328/256 (law.cornell.edu)
- https://www.govinfo.gov/content/pkg/USREPORTS-328/pdf/USREPORTS-328-256.pdf (govinfo.gov)
- https://caselaw.findlaw.com/court/us-supreme-court/328/256.html (caselaw.findlaw.com)