The discussion that has spread was based on a study published by three researchers published on November 4, 1960 by the U.S. Science Journal, titled "Domsday: Friday, November 13, 13." وهذا يعني يوم الجمعة، 13 تشرين الثاني/نوفمبر، اليوم العظيم للحكم.

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