Mongol invasion- 13th century involved Slovakia Hungary and Poland first invasion was in 1223 the central asia and russia didn;t effect Islam ones that did effect were in Persia and Iraq after defeating persian city moved closer to Baghdad also invaded japan military-used a bow made out of wood or bone could travel up to 500 ft. used 2 foot long scimitars Key players Ghengis Khan-founded Mongol empire brought together nomadic tribes in northeast asia started mongol invasion Ogedei Khan-third son of Genghis set out to continue what his father started. Batu Khan- founded Ulus of Jochi Mongke kahn- he reformed administrations in the empire lasting effects- never regained power ag industry took a fall economic downfall because of trade issues and failure to introduce paper money battle of Legnica between mongols and europeans in Poland took place on April 9 1241 mongols won
Math and Science
Al-Jabr math book written by 820 written by Muhammad ibn Musa al-Khwarizmi how to solve equations and other problems considered foundation of algebra Khwarizmi- Persian contributed to math geography astronomy created basics for algebra and trig Al-haytham- mathematician an astronomer contributions to Optics and scientific experiments said astrology was science based on mathematical truth optics-light hits and object then hits our eys proposed light had infinite speed and traveled slower in dense areas mathematically described light Ptolemy mathematician astronomer geographer astrologer and poet author of scientific treatises later important to European and Islamic science Almagest-astronomical one Geography discussion of Greco roman geographic knowledge Apotelesmatika attempted to adapt horoscopic astrology to Aristotelian natural philosphy Islam drew on and fuse Indian and Greek math theories islams used complex geometric patterns to decorate buildings made math art science was in arabic trade allowed for the movement of ideas 12th century decimal system was created
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