Hirabayashi v. United States
Hirabayashi v. United States, 320 U.S. 81 (1943), was a United States Supreme Court case in holding that the application of curfews against members of a minority group was constitutional when the nation was at war with the country from which that group's ancestors originated.
Source: Wikipedia — Hirabayashi v. United States (CC BY-SA 4.0)