original_query: What is the historical significance of the vicus of Turicum in Zürich?
query: What is the historical significance of the vicus of Turicum in Zürich?
answer: The vicus of Turicum, established in AD 90, was a Roman settlement built on an existing Gaulish settlement.  It marked the beginning of continuous inhabitation of Zürich and its later development as a significant medieval city and beyond.