{
 "id": "event/ulugh-beg-observatory-samarqand",
 "class": "event",
 "slug": "ulugh-beg-observatory-samarqand",
 "label": {
  "ar": "مرصد أولوغ بك بسمرقند",
  "en": "Ulugh Beg's observatory at Samarkand"
 },
 "summary": {
  "ar": "شيّد أولوغ بك حفيد تيمور مرصده العظيم بسمرقند نحو سنة 823هـ/1420م ووضع فيه مع القاضي زادة وعلي قوشجي الجداول السلطانية {cite:mawsuat-a3lam-ulama-adaba}.",
  "en": "Ulugh Beg, Timur's grandson, raised his great observatory at Samarkand about 823/1420, producing with Qadizada and Ali Qushji the Sultanic tables {cite:mawsuat-a3lam-ulama-adaba}.",
  "ur": "تیمور کے پوتے الغ بیگ نے تقریباً 823ھ/1420ء میں سمرقند میں اپنی عظیم رصد گاہ بنائی اور قاضی زادہ اور علی قوشجی کے ساتھ سلطانی جداول تیار کیے {cite:mawsuat-a3lam-ulama-adaba}."
 },
 "stub": false,
 "wings": [
  "time"
 ],
 "regions": [
  "persia-central-asia"
 ],
 "periods": [
  "period/mongol-post-mongol"
 ],
 "tags": [],
 "aliases": [],
 "themes": [],
 "span": {
  "earliest": 1419.9982888081206,
  "latest": 1421.000362772647
 },
 "display": {
  "start": {
   "edtf": "1420~",
   "hijri": "0823",
   "precision": "year",
   "status": "tradition",
   "derived": true
  },
  "end": {
   "edtf": "1420~",
   "precision": "year",
   "status": "tradition",
   "derived": true
  }
 },
 "data": {
  "kind": "founding",
  "date": {
   "start": {
    "edtf": "1420~",
    "hijri": "0823",
    "precision": "year",
    "status": "tradition",
    "derived": true
   },
   "end": {
    "edtf": "1420~",
    "precision": "year",
    "status": "tradition",
    "derived": true
   }
  },
  "sources": [
   "source/mawsuat-a3lam-ulama-adaba"
  ],
  "provenance": {
   "layer": "own-research",
   "source": "written for the Timeline Explorer Samarkand story from the cited source",
   "generated_by": "Devin (SWE-2 Medium)",
   "run": "explorer-samarqand"
  },
  "status": {
   "review": "draft",
   "completeness": 2,
   "generated_by": "Devin (SWE-2 Medium)"
  }
 },
 "prose": {},
 "degree": 2,
 "contemporaries": [],
 "updated": "2026-10-29",
 "connections": [
  {
   "to": "place/samarqand",
   "type": "occurred_at",
   "inverse": false,
   "sources": [
    "source/mawsuat-a3lam-ulama-adaba"
   ]
  }
 ],
 "related": [
  "event/qutam-death-samarqand",
  "event/qutayba-samarqand",
  "event/samarqand-betrayal-605",
  "event/sanjar-qara-khitai-defeat-536",
  "event/siege-of-samarqand-said",
  "event/timur-rise-773",
  "event/umar-ii-samarqand-ruling",
  "person/mahmudkhodja-behbudiy"
 ],
 "license": {
  "prose": "CC BY-SA 4.0",
  "data": "CC0 1.0"
 }
}