I'm starting book 3 right now. Due to being written over 200 years ago his work might be out of date, but is there anything he got wrong? I could see scholars h

I'm starting book 3 right now. Due to being written over 200 years ago his work might be out of date, but is there anything he got wrong? I could see scholars having issues with some of his opinions, but as far as I am aware, his factual history stands.