Undeciphered Writing Systems - Proto-writing

Proto-writing

Certain forms of proto-writing remain undeciphered and, because of a lack of evidence and linguistic descendants, it is quite likely that they will never be deciphered.

• Jiahu symbols — Peiligang culture, from the 7th millennium BC.
• Vinča symbols — Neolithic Europe, from the 6th millennium BC.
• Dispilio Tablet — Neolithic Europe, from the 6th millennium BC.
• Banpo symbols — Yangshao culture, from the 5th millennium BC.