 In 1747, a 2nd-century Roman tombstone was discovered at the site, bearing the oldest attestation of "Turīcum", the Roman era name of Zürich, as "STA[tio] TURIC[ensis]", at the time a tax collecting point.The castle remained intact during the early phase of Alemannic immigration in the 5th to 6th century, but was derelict by the 9th century, when it was rebuilt as a residence for Louis the German, which in turn became dilapidated and used as a source of building stone by the 13th century.The Lindenhof remained a place of civil assembly into modern times.