/u/twosplits's posts in /r/AskHistorians

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We as a civilization lost the ability to create concrete with the fall of Rome and didn't figure out the process again till the 19th century. What exactly happened that caused such a valuable tool to not be passed on in any way?

2154 upvotes

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Did Ramses II try to erase Queen Hatshepsut from the record books because she was a successful ruler or because she was a woman (whom depicted herself as male)?

361 upvotes

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What did they do in ancient times if your wisdom teeth became impacted?

138 upvotes

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Did the Romans ever have a problem with lead poisoning from the lead lining in the aqueduct pipes?

2 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
We as a civilization lost the ability to create concrete with the fall of Rome and didn't figure out the process again till the 19th century. What exactly happened that caused such a valuable tool to not be passed on in any way?	2154
Did Ramses II try to erase Queen Hatshepsut from the record books because she was a successful ruler or because she was a woman (whom depicted herself as male)?	361
What did they do in ancient times if your wisdom teeth became impacted?	138
Did the Romans ever have a problem with lead poisoning from the lead lining in the aqueduct pipes?	2