languageUnknown origin – last used c. 1860s10% confidence

Rongorongo

by Rapa Nui (Easter Island) civilisation

Reconstruction of Rongorongo
AI-assisted reconstruction — confidence: 10%

A system of glyphs discovered on wooden tablets and other artefacts from Rapa Nui (Easter Island). If proven to be true writing, Rongorongo would be one of very few independent inventions of writing in human history.

Confidence Map

Each section of this reconstruction is graded by the strength of its supporting evidence. Hover over a section to learn why.

General Description

speculative

A system of glyphs discovered on wooden tablets and other artefacts from Rapa Nui (Easter Island). If proven to be true writing, Rongorongo would be one of very few independent inventions of writing i...

Based on 3 cited source(s) and overall exhibit confidence of 10%.

Historical Context

high

Only 26 wooden artefacts bearing Rongorongo glyphs survive worldwide, most in European and Chilean museums. The script is written in reverse boustrophedon — alternating lines read in opposite directio...

Supported by multiple scholarly references.

Circumstances of Loss

medium

Knowledge of the script was lost following slave raids, epidemics, and forced deportation that devastated the Rapa Nui population in the 1860s

Loss date is documented, lending credibility to the account.

High — direct evidenceMedium — reasonable inferenceSpeculative — limited evidence

The Story of Loss

Cause: Knowledge of the script was lost following slave raids, epidemics, and forced deportation that devastated the Rapa Nui population in the 1860s

Circumstances: The last people who could read Rongorongo died in the 1860s–1870s due to Peruvian slave raids, forced deportation, and epidemics that reduced the Rapa Nui population by over 90%. Bishop Tepano Jaussen of Tahiti attempted to have a Rapa Nui man named Metoro read the tablets in 1874, but Metoro's recitations did not consistently correspond to the glyphs.

Date of loss: c. 1860s

Historical Context

Only 26 wooden artefacts bearing Rongorongo glyphs survive worldwide, most in European and Chilean museums. The script is written in reverse boustrophedon — alternating lines read in opposite directions, with each alternate line inverted. When French missionaries arrived on Easter Island in the 1860s, they found that no living islander could read the tablets. Devastating Peruvian slave raids in 1862 carried off approximately 1,500 people — roughly one-third of the population — including the island's learned class (the tangata rongorongo). Subsequent smallpox epidemics killed most of those who returned. By 1877, the population had fallen to just 111. Whether Rongorongo represents true writing, a proto-writing system, or a mnemonic device remains debated. Its potential antiquity — possibly predating European contact — would make it one of only four or five independent inventions of writing, alongside Sumerian, Chinese, Mesoamerican, and possibly Indus Valley scripts.

Reconstruction Methodology

This exhibit's reconstruction was generated using AI analysis of historical records, scholarly references, and contextual evidence from the Unknown origin – last used c. 1860s period. Each section of the reconstruction is tagged with a confidence level reflecting the strength of the underlying evidence.

Vestige reconstructions are scholarly tools, not definitive claims. They represent our best understanding given available evidence and are always presented with transparent methodology.

Cited Sources

  1. 1

    Rongorongo: The Easter Island Script

    Steven Roger Fischer (1997)

  2. 2

    Easter Island's Writing System

    Jacques B.M. Guy (1990)

  3. 3

    The Enigmas of Easter Island

    John Flenley and Paul Bahn (2002)