This rating is used for claims that could be mostly true or mostly false, depending on your point of view. The individual words of the claim tend to be all true. As such, it is misleading rather than outright true or false.
Popular perceptions of the Oracle at Delphi include the Pythia sitting by or above a geological fissure and becoming intoxicated on fumes of some kind. Historians are less convinced by this image.
The Battle of Thermopylae was where, in 480 BC, a force of just 300 Spartans led by King Leonidas fought valiantly against the Persians. Or is there something the popular accounts are not telling us?