Laws that prohibit interracial marriage (anti-miscegenation laws) are unconstitutional. Decided June 12, 1967 (argued April 10, 1967). Opinion of the Court: Earl Warren → go there Applied: the Fourteenth Amendment → go there Topic: Discrimination based on race and ethnicity. Loving v. Virginia, 388 U.S. 1 (1967), is a landmark civil rights decision of the United States Supreme Court which held that laws banning interracial marriage violate the Equal Protection and Due Process clauses of the Fourteenth Amendment to the U.S. Constitution. Wiki link