It seems obvious that people can be biracial or even multiracial. In fact, by PoopGator's rule that "people's racial identity really has as much to do with community and culture as it does with genetics", I am biracial. But when I was young 50 years ago "biracial" would have been a silly term if applied to an individual. There were biracial committees and commissions, but "biracial" in those days clearly meant "composed of people of both races". The thought that someone could be both Black and White just wasn't possible. Laws in different states varied, from "one drop" to one-eighth or one sixteenth, but in practice if one had any Black ancestry one was either clearly Negro or "passing".

So when did it become possible for an individual to be biracial? Did it start with Tiger Woods? Johnny Mathis wasn't "biracial". I know that people my daughter's age (about 30) have no problem with the idea or reality of a biracial individual. When did that change occur?