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Weapons System

Trebuchet

English, approximately treh-byoo-SHET (US) or TREB-yoo-shet (UK)
Also Known As Counterweight Trebuchet
Medieval
Counterweight Trebuchet

The trebuchet is a siege engine that uses a pivoting beam and sling to hurl projectiles at fortifications. The traction (man-powered) form was adopted by Byzantines, Persians, Arabs and Avars by the sixth to seventh centuries. The counterweight trebuchet, the more powerful form in use by Saladin's era, is first illustrated in a commentary on Saladin's own conquests, written in 1187; scholars have little consensus on exactly where and when it was first developed. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/

Facts
Weapon Class
Siege engine 2
Introduced Year
1187 1
This is the date of the earliest known illustration of the counterweight form, tied to Saladin's own conquests, not a claimed invention date; historians do not agree on where or when the counterweight trebuchet was first developed.
Weapon Class
Weapon Class (category)
Siege Engine 1
Connections

Associated With

Source Wikipedia: Siege of Jerusalem (1187)
Ayyubid-Crusader War, Wars

The counterweight trebuchet was the dominant siege engine of the Ayyubid armies during the Crusader-era sieges.

Source Wikipedia: Siege of Jerusalem (1187)
Source Wikipedia: Siege

Open Questions

In the Other Atlases
Sources
1. Wikipedia: Trebuchet
Wikipedia
  • counterweight trebuchet section
    there is little to no consensus as to where and when the counterweight trebuchet...was first developed
  • mechanism section
    The sling starts rotating with the beam...transmitting this increased speed to the projectile
  • counterweight type discussion
    the counterweight trebuchet, also known as the counterpoise trebuchet
  • Weapon class classified from the entity's own sourced description text.
  • Introduced circa 1187 per the entity's own sourced description text; no pre-1900 weapon system remains in current active military service.
View the Source
2. Wiktionary: trebuchet
WiktionaryNoun section, English
Quote, Noun section, English
A medieval siege engine consisting of a large pivoting arm heavily weighted on one end.
View the Source
Wikidata: Trebuchet
Wikidata Q19776, class allow-list match (w-wdresolver-0926)View the Source
Wikipedia: Siege of Jerusalem (1187)
WikipediaAssociated With: Ayyubid Army, body text
Quote, Associated With: Ayyubid Army, body text
siege towers, catapults, mangonels and Greek fire
View the Source
Wikipedia: Siege
WikipediaAssociated With: Siege Warfare (Siegecraft)View the Source
Open Questions (1 open question)
Where and when was the counterweight trebuchet first developed?

The earliest known illustration of a counterweight trebuchet comes from a 1187 commentary on Saladin's own conquests, but the source itself states there is little to no consensus as to where and when the counterweight trebuchet was first developed.

What would resolve this Additional dated illustrations, textual descriptions, or archaeological finds from the tenth to twelfth century Islamic or Byzantine world that predate or corroborate the 1187 illustration.
History of siege technologyWikipedia: Trebuchet
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