If you're going to use the model to learn history you're going to learn the version of history that the model teaches you. A little bit of digging around grokpedia should give you some idea of what that model thinks
But you may be seeing your bias if you think grokipedia is wrong.
Probably being used to leftist editors on wikipedia would do that.
Or maybe it's somewhere in the middle for some events. You can always validate sources and determine for yourself.