the older US euphemism children of the plantation).
Many jurisdictions have had regulations banning or restricting not just interracial marriage but also interracial sexual relations, including Germany during the Nazi period, South Africa under apartheid, and many states in the United States prior to a 1967 Supreme Court decision.
It was formally declared legal in the United States in 1967 when the Supreme Court of the United States ruled in the case Loving v.
Virginia that race-based restrictions on the set of individuals whom an individual is eligible to marry violate the Equal Protection Clause of the United States Constitution.
Case in point, the emergence of large populations of Afro-Arabs in the Arab World and mulattoes in the New World historically came about in the context of the Arab and Transatlantic slave trades, respectively, which resulted in impregnation of black women.
These women were largely sex slaves (rather than wives) of non-black men (cf.
These two counties had the highest rates of interracial marriages involving at least one black spouse in the United States.