Fortified Water Gates
Defended river and harbor gates regulating boats, flood control, tolls, and city security.
Core metadata
- ID: fortified_water_gates
- Era: Medieval
- First known date: 1150 (decade)
- Region: Medieval European fortified river and harbor towns
- Review status: source_checked
- Maturity: N/A
Prerequisites
Dependents
- None.
Fields
- None.
Node sources
- Water Gate, City of Durham (Historic England, 2026, official_agency) • Supports: node
- Fortification of the Peninsula (Durham World Heritage Site, 2026, official_agency) • Supports: node
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 2
- Average edge confidence: 68%
- Prerequisite sources: 0
- expert_inference: 2
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Castle Signal Beacons (castle_signal_beacons) | enabling | 68% | expert_inference | Castle Signal Beacons provides a capability that enables this technology without being the only possible path. | No sources recorded. |
| Port Cranes & Harbor Works (port_crane_harbor_works) | enabling | 68% | expert_inference | Port Cranes & Harbor Works provides a capability that enables this technology without being the only possible path. | No sources recorded. |
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