Abri Blanchard bone: 35,000-year-old lunar calendar candidate. Bone from Abri Blanchard in France, approximately 35,000 years old In a small area (size of a wristwatch), 69 tiny marks were made Alexander Marshack interpreted this as a lunar calendar recording moon phases

A bone from Abri Blanchard (38,000 years old) bears tiny marks interpreted as a lunar calendar, the strongest decodeable proto-writing candidate yet.

Key Facts

  • Bone from Abri Blanchard in France, approximately 35,000 years old
  • In a small area (size of a wristwatch), 69 tiny marks were made
  • Alexander Marshack interpreted this as a lunar calendar recording moon phases
  • French ethnologist/astronomer Shantal Jagis Wukiwise confirmed coordinates matched lunar positions
  • This represents different symbols for different lunar phases laid out in figure-8 pattern
  • Unlike tally marks, this appears to encode specific astronomical information
  • This is considered the strongest candidate for proto-writing due to decodeable meaning

Related site: Abri Blanchard — view location, images, and history on the Ancient Nerds map.