When Does the Historical Process Start: Revision history

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29 June 2023

  • curprev 07:0207:02, 29 June 2023unknown talk 4,436 bytes +4,436 Created page with " =Discussion= Leonid Grinin et al. : "We start from the period about 40,000−50,000 years ago (but to facilitate our calculation we take the date of 40,000 years ago), that..."