Ancient calendar, possibly world's oldest, found: Could it document a long-ago disaster? - Times of India

A researcher from the University of Edinburgh uncovered the earliest lunisolar calendar at Göbekli Tepe, an ancient site in Turkey. Martin Sweatman linked markings on a pillar to a comet impact 13,000 years ago, suggesting ancient people recorded this event. The discovery hints at advanced astronomical understanding of that time.

The Times of India
NUOVO STUDIO SU ALCUNE INCISIONI IDENTIFICATE, A GÖBEKLI TEPE E KARAHAN TEPE, TURCHIA, COME CALENDARI - Daniele Mancini Archeologia

Le incisioni scolpite su alcuni pilastri di pietra rinvenuti a Göbekli Tepe, potrebbero essere il calendario solare-lunare più antico del...

Daniele Mancini Archeologia