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Technically that's prehistoric. History conventionally starts with the invention of writing

• Aachen 2y ago
  Not sure that's conventional. Looking up the dictionary definition, it's clearly being used generally. It's the definition I was taught in school and probably it's used in this technical way in some fields or perhaps in science generally, but commenting on someone casually using "historic values" and going "I don't think you know what that means!" is the best way to help anyone get a better understanding of anything ("conventional" in meaning 1 of the word as per Wordnik, namely that it's in accordance with general practice, before we start another such discussion...)
• mleroy 2y ago
  You’re right that "history" starts with writing, but "prehistoric" refers to the human period before written records, starting with the use of stone tools around 2.5 million years ago.