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@ -22,7 +22,7 @@ In the 3rd century Chinese mathematician Liu Hui describes operations with **neg
Year 476 is set to mark the fall of Roman empire (last roman emperor deposed) and by this the end of Antiquity and **start of Middle Ages**. Rome had been [collapsing](collapse.md) slowly but in its downfall it greatly resembled our [current western society](21st_century.md), it became split, people got spoiled, lost sense of morality, women started to demand [more power](feminism.md) and so on -- Roman empire was basically like the ancient times [US](usa.md) (with a similar relationship to Greece as US has to the older, wiser Europe) with highly [capitalist](capitalism.md) practices ([free trade](free_trade.md), ads, banks, insurance, even industries that achieved quite high mass production, ...), imperialism, [military](military.md) obsession, fascism, constant political fights, pragmatic thinking (e.g. rhetoric, the art of manipulation, was greatly preferred over excellence in [art](art.md)), mass entertainment and huge competitiveness -- this all led to its demise.
Around the year 850 the Chinese discovered **gunpowder**.
Around the year 850 the Chinese discovered **gunpowder** (hence all the obsession with fireworks and shit).
In 1429 Persian mathematician al-Kashi computed [pi](pi.md) to about 14 digit accuracy which was a great leap in this discipline.