{
 "source": "The book's Chapter 24 (L1090) and the Prologue (L44): how long each scribal system lasted, as the book gives the spans. Moved out of src/app/map/page.tsx unchanged on 2026-09-26.",
 "tables": {
  "DURATIONS": [
   {
    "system": "The Sumerian edubba",
    "fromAndTo": "The Ur III period to the fall of Babylon",
    "howLong": "Roughly a thousand years"
   },
   {
    "system": "The Greek academy tradition",
    "fromAndTo": "The Presocratics to Justinian’s closure of the Academy in 529 CE",
    "howLong": "Perhaps eight hundred"
   },
   {
    "system": "The Islamic translation movement, at peak",
    "fromAndTo": "Al-Mansur’s House of Wisdom to the Mongol sack",
    "howLong": "Four centuries"
   },
   {
    "system": "The Latin monastery tradition",
    "fromAndTo": "Benedict to Gutenberg",
    "howLong": "A thousand years"
   },
   {
    "system": "The Chinese examination system",
    "fromAndTo": "605 to 1905, without a permanent interruption",
    "howLong": "Thirteen hundred years"
   },
   {
    "system": "The examination system and the gaokao together",
    "fromAndTo": "605 to 1905, then the gaokao from 1952",
    "howLong": "Fifteen centuries"
   }
  ]
 }
}