Final answer:
The court case that legalized interracial marriage was Loving v. Virginia.
Step-by-step explanation:
The court case that legalized interracial marriage was called Loving v. Virginia. In this case, the U.S. Supreme Court ruled in June of 1967 that laws banning marriages between individuals of different races were unconstitutional. This landmark decision overturned the Virginia Racial Integrity Act and ensured that individuals could marry whom they wished, regardless of their racial background.