/r/askhistorians
According to Wikipedia, the French casualties at Agincourt included three dukes, nine counts, a Viscount, an Archbishop, the Constable of France, Master of the Royal Household, and 3-5,000 other knights and squires. What would the effect of such a catastrophe had on the French feudal system?
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How did 0-60 become the standard by which a car's acceleration is judged? Why did 60mph become synonymous with "fast"?
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In 1792, France experimented with decimal time, making a day 10 hours, an hour 100 minutes, and a minute 100 seconds. Why did this new standard for timekeeping not take off when so much of the world uses a base 10 system for measuring stuff?
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During the 1300s, there were two competing courts in Japan. Today's emperor is descended from the Northern court, but in 1911 it was decreed the Southern court was the legitimate court, which would make the current Emperor's ancestors usurpers. What was the reasoning behind the 1911 decree?
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In many medieval histories, you can read about people dying by "rupturing themselves". It seems like there are a lot of things that could cause you to "rupture yourself", like falling off a horse, laughing too hard, or eating too many lampreys. What did "rupturing yourself" mean in modern terms?
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While reading the "Art of War" Sun Tzu says there are "no more than 5 musical notes". Why did ancient China believe there were only 5 notes? Is this related to pentatonics somehow?
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"The Darkening Age," by Catherine Nixey, argues that Christianity was hugely destructive to western civilization, destroyed art and classical thinking, and retarded the improvement of the Roman Empire. How well supported is her argument?
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Apparently, German- and English-speaking historians do not agree on the Identity of Cleopatra's mother. Why?
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