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But such calculations in fact date from at least the Middle Ages, and offer a range of dates from around 5000 to 4000 BC. Judaic tradition (to which the Old Testament of course belongs) reckons the date of creation at 3760 BC.

But such calculations in fact date from at least the Middle Ages, and offer a range of dates from around 5000 to 4000 BC. Judaic tradition (to which the Old Testament of course belongs) reckons the date of creation at 3760 BC.

Based mainly on geological dating methods, however, modern scientific research generally dates the formation of the Earth to around 4.5 billion (4.5 * 10⁹) years ago.

Based mainly on questionable geological dating methods, however, secular scientific research generally dates the formation of the Earth to around 4.5 billion (4.5 * 10⁹) years ago.

== Notes ==

== Notes ==