Interracial marriage bans, also known as anti-miscegenation laws, were laws enacted in various states in the United States that prohibited marriage or cohabitation between individuals of different races. These laws were primarily aimed at preventing interracial relationships between Black individuals and White individuals.

The origins of these bans can be traced back to the colonial era, where laws were passed to maintain racial purity and uphold the institution of slavery. These laws were further codified in the 19th and early 20th centuries as a way to preserve the social hierarchy and prevent racial mixing.

One of the most well-known cases involving anti-miscegenation laws is Loving v. Virginia (1967), in which the U.S. Supreme Court struck down laws banning interracial marriage as unconstitutional. The case involved Mildred and Richard Loving, an interracial couple who were arrested and convicted for violating Virginia's anti-miscegenation laws.

The Loving v. Virginia decision was a landmark ruling that overturned interracial marriage bans across the country. It was a significant victory for civil rights and marked a turning point in the fight against institutionalized racism in the United States.

Despite the legal overturning of anti-miscegenation laws, the legacy of these discriminatory practices continues to impact society today. The history of interracial marriage bans serves as a reminder of the long-standing struggles for racial equality and the ongoing fight against discrimination based on race.