<0x93> ). ▁The ▁map ▁was ▁created ▁in ▁the ▁second ▁year ▁of ▁the ▁reign ▁of ▁T ae j ong ▁of ▁Jose on . ▁The ▁map ▁was ▁made ▁by ▁combining ▁Chinese , ▁Korean ▁and ▁Japanese ▁maps . ▁▁ 1 6 th – 1 9 th ▁century ▁ ▁The ▁scientific ▁and ▁techn ological ▁advance ▁in ▁the ▁late ▁Jose on ▁D ynast y ▁was ▁less ▁progress ed ▁than ▁the ▁early ▁Jose on ▁period . ▁▁ 1 6 th - century ▁court ▁phys ician , ▁He o ▁Jun ▁wrote ▁a ▁number ▁of ▁medical ▁texts , ▁his ▁most ▁significant ▁achiev ement ▁being ▁Don ge ui ▁Bog am , ▁which ▁is ▁often ▁noted ▁as ▁the ▁defining ▁text ▁of ▁Trad itional ▁Korean ▁medicine . ▁The ▁work ▁spread ▁to ▁China ▁and ▁Japan , ▁where ▁it ▁is ▁still ▁regarded ▁as ▁one ▁of ▁the ▁class ics ▁of ▁Oriental ▁medicine ▁today . ▁ ▁The ▁first ▁soft ▁ball istic ▁vest , ▁My un j eb a eg ab , ▁was ▁invent ed ▁in ▁Jose on ▁Korea ▁in ▁the ▁ 1 8 6 0 s ▁shortly ▁after ▁the ▁French ▁campaign ▁against ▁Korea ▁( 1 8 6 6 ). ▁He ung se on ▁Da ew ong un ▁ordered ▁development ▁of ▁bullet - proof ▁arm or ▁because ▁of ▁increasing ▁thre ats ▁from ▁Western ▁arm ies . ▁Kim ▁Gi - du ▁and ▁Gang ▁Y un ▁found ▁that ▁cot ton ▁could ▁protect ▁against ▁bul lets ▁if ▁thick ▁enough , ▁and ▁de vised ▁bullet - proof ▁v ests ▁made ▁of ▁ 3 0 ▁layers ▁of ▁cot ton . ▁The ▁v ests ▁were