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Osireion is a megalith in Egypt, Africa. Egyptian Ministry of Tourism and Antiquities gives its chronology as “c. 1290 BCE, reign of Seti I.” Egyptian Ministry of Tourism and Antiquities also records: “Cenotaph of Osiris.”
Massive red granite pillars in a sunken hall behind the Temple of Seti I, often flooded.



Guide answers and timeline insights related to this Wonder.
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Compare the published evidence and its interpretations. “Consensus” records the mainstream account; “Alternative” identifies a competing interpretation, not an equally established conclusion. Estimates and unresolved questions remain qualified in the claim text.
| Field | Consensus | Alternative |
|---|---|---|
| Date | 1290 BCE - 1279 BCE c. 1290 BCE, reign of Seti I Egyptian Ministry of Tourism and Antiquities | No claims found. |
| Purpose | Cenotaph of Osiris Egyptian Ministry of Tourism and Antiquities | No claims found. |
| Method | No claims found. | No claims found. |
Calculating elapsed time...
Approximate - counted from January 1, 1,284 BCE (UTC). Based on the midpoint of 1,290 BCE - 1,279 BCE; the underlying date is uncertain.
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Each row is an independent total of the same span, not a breakdown to add together.