/u/sunbr0_7's posts in /r/AskHistorians

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Were the ancient Romans more advanced in certain ways than societies in the 17th century?

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If the ancient greeks were able to calculate the circumference of the earth, how did people like Christopher Columbus think that India was closer to Spain than it actually was?

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Were most electronics in the early 20th century produced in the USA? Did this change when transistors became more popular?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Were the ancient Romans more advanced in certain ways than societies in the 17th century?	1
If the ancient greeks were able to calculate the circumference of the earth, how did people like Christopher Columbus think that India was closer to Spain than it actually was?	1
Were most electronics in the early 20th century produced in the USA? Did this change when transistors became more popular?	1