CodexMira
DeepEarlyNeolithicBronze AgeIron Age and ClassicalMedievalEarly ModernModern

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An amphitheater for around 50,000 spectators, built in less than a decade.

ContinentEuropeConfidence: measured
Height48mConfidence: measured
MaterialTravertine and concreteMohs 3-4 (mineral hardness scale)

Claims

FieldConsensusAlternative
Date

70 CE - 80 CE

70-80 CE

No claims found.
PurposeNo claims found.
MethodNo claims found.No claims found.

Iron Age and Classical — Colosseum in context.

Iron Age and Classical, 1,200 BCE to 500 CEDates supported by mainstream archaeology. Natural formations remain undated.TimelinePavlopetri, 3,000 BCE - 1,100 BCEUffington White Horse, 1,380 BCE - 550 BCESerapeum galleries, 1,390 BCE - 30 BCEThonis-Heracleion, 700 BCE - 100 BCESerapeum boxes, 664 BCE - 30 BCE4Antikythera mechanism, 205 BCE - 60 BCEAl-Khazneh, Petra, 300 BCE - 100 CE3Colosseum, 70 CE - 80 CE2Aksum stelae, 300 CE - 400 CESerpent Mound, 300 BCE - 1,100 CEGreat Wall of China, 700 BCE - 1,644 CEPavlopetriSerapeum galleries1,000 BCE500 BCE0 CE

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Approximate - counted from January 1, 75 CE (UTC). Based on the midpoint of 70 CE - 80 CE.

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