Djoser’s Step Pyramid launches stone-building eraJan 1, 2670 BCELabels: Djoser, Saqqara, ImhotepBritannicaWikipedia
Khufu begins the Great Pyramid project at GizaJan 1, 2580 BCELabels: Khufu, Giza, Great PyramidBritannicaJARCE
Sneferu’s pyramids refine “true pyramid” methodsJan 1, 2575 BCELabels: Sneferu, Dahshur, Red PyramidBritannicaWikipedia
State logistics expand through Red Sea harbor at Wadi al-JarfJan 1, 2570 BCELabels: Wadi al-Jarf, Red SeaJARCEWikipedia
Merer’s diary documents limestone transport to GizaJan 1, 2563 BCELabels: Merer, Tura Quarries, Wadi al-JarfDiaryJARCE
Papyrus archives record labor and supply administrationJan 1, 2560 BCELabels: Papyrus Archives, Wadi al-JarfJARCEWikipedia
Hauling technologies develop for steep quarry and ramp workJan 1, 2560 BCELabels: Hatnub Quarry, Ramp SystemHatnub
Work-gang names appear in Great Pyramid markingsJan 1, 2550 BCELabels: Great Pyramid, Work GangsAhramBritannica
Giza worksite grows into a planned settlement systemJan 1, 2550 BCELabels: Heit el-Ghurab, Giza WorksiteAERAAERA
Khafre and Menkaure continue organized pyramid laborJan 1, 2530 BCELabels: Khafre, Menkaure, GizaBritannicaAERA
Late Old Kingdom strains raise costs of monument buildingJan 1, 2250 BCELabels: Late Old, 6th DynastyBritannicaBritannica
Old Kingdom ends; pyramid building systems lose stabilityJan 1, 2181 BCELabels: First Intermediate, Old KingdomBritannicaBritannica