27th century BC in architecture

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| cpb=28th century BC

| c=27th century BC

| cn1=26th century BC

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Buildings and structures

2670: The Pyramid of Djoser is built.{{Cite book |title=The Oxford history of ancient Egypt |date=2000 |publisher=Oxford University Press |editor=Ian Shaw |isbn=0-19-815034-2 |location=Oxford |oclc=44153976}}
2686-2613: The Pyramid of Sinki is built.{{Cite web |title=Small Egyptian Step Pyramids - Seila, Naqada, Kula, Elephantine, Khui - Crystalinks |url=https://www.crystalinks.com/pyregyptsmstep.html |access-date=2024-09-16 |website=www.crystalinks.com}}

Imhotep: the first architect known by name.{{cite web |url=https://www.collinsdictionary.com/dictionary/english/imhotep |title=Definition of 'Imhotep' |website=Collins dictionary}}