Last Thursdayism

It has been suggested that this article be merged into Omphalos hypothesis. (Discuss) Proposed since November 2024.

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Last Thursday or Last Thursdayism is a philosophical claim of the reductio ad absurdum type, challenging creationism. According to this claim, the age of the universe does not predate last Thursday. Everything we know about what came before last Thursday is an illusion since, on that day, all evidence of the world's age, including human memories and physical records, was created.^[1][2]

Similar to the "Flying Spaghetti Monster," this idea has evolved into a parody religion.