In pc games like Civilization, technology is portrayed as linear and progressive, i.e., once something is invented, it stays invented. In light of history, is that a generally correct representation? Or should technology rather need to be "maintained" by ongoing effort? : AskHistorians
https://www.reddit.com/r/AskHistorians/comments/sd0f30/in_pc_games_like_civilization_technology_is/This 3,500-Year-Old Greek Tomb Upended What We Thought We Knew About the Roots of Western Civilization | History | Smithsonian Magazine
https://www.smithsonianmag.com/history/golden-warrior-greek-tomb-exposes-roots-western-civilization-180961441/