History
Welcome to History!
A community dedicated to sharing and discussing fascinating historical facts from all periods and regions.
Rules:
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Post about history. Ask a question about the past, share a link to an article about something historical, or talk about something related to history that interests you. Discussion is encouraged.
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No memes. No ads. No promos. No spam.
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No porn.
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We like facts and reliable sources here. While sources like Quora/Reddit/Wikipedia can be great tools for quick searches, we do not allow such user-generated content as primary source. What’s wrong with Wikipedia?
NOTE: Personal attacks and insults will not be tolerated. Stick to talking about the historical topic at hand in your comments. Insults and personal attacks will get you an immediate ban.
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I remember watching a you tube video about how the cement used in ancient Roman architecture has proven to be super durable. I don't remember details but it was interesting.
This is a great article, lays out the composition that makes Roman concrete last and self heal!
Oh great I will check that out!