# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/polyidus-of-thessaly
# Generated: 2026-08-15T22:40:16.662Z

schema: https://schema.org/Person
url: "https://fame.am/person/polyidus-of-thessaly"
name: "Polyidus of Thessaly"
slug: "polyidus-of-thessaly"
description: "Polyidus of Thessaly was an ancient Greek military engineer of Philip, who made improvements in the covered battering-ram during Philip's siege of Byzantium in 340 BC. His students were Diades of Pella and Charias, who served in the campaigns of Alexander the Great. Polyidus was the inventor of Helepolis."
tagline: "4th c. BCE Greek military engineer"
gender: "male"
birthDate: "-400"
livingStatus: "UNKNOWN"
scores:
  popularity:           38.08
  momentum:             0.5737704918032787
  historical:           6.537977333333334
  currentAttention:     0
  sourceConfidence:     39.99999999999999
  profileCompleteness:  25
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://nl.wikipedia.org/wiki/Polyidus_van_Thessali%C3%AB"
    title: "Polyidus van Thessalië"
    type:  "WIKIPEDIA"
  - url: "https://ar.wikipedia.org/wiki/%D8%A8%D9%88%D9%84%D9%8A%D8%AF%D9%88%D8%B3_%D8%A7%D9%84%D8%AB%D9%8A%D8%B3%D8%A7%D9%84%D9%8A"
    title: "بوليدوس الثيسالي"
    type:  "WIKIPEDIA"
  - url: "https://el.wikipedia.org/wiki/%CE%A0%CE%BF%CE%BB%CF%8D%CE%B5%CE%B9%CE%B4%CE%BF%CF%82_%CE%BF_%CE%98%CE%B5%CF%83%CF%83%CE%B1%CE%BB%CF%8C%CF%82"
    title: "Πολύειδος ο Θεσσαλός"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Polyidus_of_Thessaly"
    title: "Polyidus of Thessaly"
    type:  "WIKIPEDIA"
  - url: "https://es.wikipedia.org/wiki/Poli%C3%ADdo_de_Tesalia"
    title: "Poliído de Tesalia"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Polyeidos_de_Thessalie"
    title: "Polyeidos de Thessalie"
    type:  "WIKIPEDIA"
  - url: "https://id.wikipedia.org/wiki/Polidos_dari_Tesalia"
    title: "Polidos dari Tesalia"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q3395555"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump