~2610 BCE Egyptian

Meidum Pyramid (Collapsed)

Meidum, Egypt (29.3882°N, 31.1573°E)

Detailed Account

Originally a step pyramid later converted to a true pyramid, it partially collapsed — possibly during or after construction. This 'failure' is cited as evidence of trial-and-error pyramid development. However, some researchers argue the collapse occurred much later due to quarrying, and the original construction was sound. The Meidum pyramid encodes a seked (slope ratio) of 5.5 palms per cubit.

Geographic Context

Location Meidum, Egypt
Latitude 29.388200° N
Longitude 31.157300° E

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Egyptian Events

~2670 BCE Step Pyramid of Djoser ~2600 BCE Construction of Bent Pyramid ~2590 BCE Red Pyramid Completed ~2560 BCE Great Pyramid of Giza Completed ~2520 BCE Pyramid of Khafre Built ~2490 BCE Pyramid of Menkaure Built

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Previous Event ~2670 BCE Step Pyramid of Djoser Next Event ~2600 BCE Construction of Bent Pyramid