1436
Technology
Italy
Dome of Florence Cathedral
A double-shell brick dome was raised without centring.
Why it mattered
A peak of pre-modern structural engineering.
Renaissance
1 recorded milestone at this point in the record.
A double-shell brick dome was raised without centring.
Why it mattered
A peak of pre-modern structural engineering.
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Italy
Portugal
Germany
Korea
Andes
Amazonia