🛠️ Invention or technique

Tupaia's chart of the Pacific islands

Mapa de Tupaia de las islas del Pacífico

Date
1769 · confidence high
Place
Raiatea and Tahiti, French Polynesia
Credited to
Tupaia of Raiatea, with James Cook and the crew of the Endeavour
Field
Cosmos & Earth

What it is

A chart drawn aboard the Endeavour in 1769 from the knowledge of a priest-navigator from Raiatea, placing about 74 islands over an area more than 4,000 km across. It is oriented by Polynesian sailing directions, not European north.

Only copies survive; some place names and positions are still debated. Tupaia died in Batavia in 1770.

What it led to

  • a record of Polynesian geography and navigation in a European source
  • a basis for discussion on the reach of traditional voyaging
  • reassessment of Tupaia's role in Cook's expedition
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Sources✓ verified 2026-11-04