85 metres · All Facts

85 metres
Cappadocia's Derinkuyu underground city descends about 85 metres through carved volcanic tuff, with stables, churches, cellars, and a missionary school; only about 10% is open to visitors.
SrcRepublic of Türkiye Museums (muze.gov.tr)

Next evidence →1096Teaching existed at Oxford by at least 1096 — more than 200 years before the Aztec capital Tenochtitlán was founded about 1325.

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