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Primary sourceBook1519

Suma de Geographia

Martín Fernández de Enciso · 1519

A 1519 Spanish navigation manual by Martín Fernández de Enciso, the official Balboa deposed at Darién, describing the coast where Balboa founded his settlement.

Enciso was the official Balboa deposed at Darién; his book describes the coast where Balboa founded his settlement.

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Title page of the Suma de Geographia in black-and-white woodcut style, with an ornate decorative border, a woodcut of an armillary sphere held by two hands, and the printed title text below.
Martín Fernández de Enciso, Suma de Geographia, title page, Seville, 1519.

About this source

What it is

The Suma de Geographia is a printed book on cosmography, geography and navigation written by Martín Fernández de Enciso, published in Seville in 1519. It is considered the first published pilot's manual to comprehensively describe the New World.

Why it matters

Enciso was the royal official whom Vasco Núñez de Balboa and other settlers deposed and expelled from Darién, a dramatic episode in Balboa's rise to power. Enciso's book includes a firsthand description of the Tierra Firme coast, the very region where Balboa founded Santa María la Antigua del Darién, connecting the rivalry between the two men to the broader geography of early Spanish exploration.

Look closer

  • Why might Enciso, having been overthrown by Balboa, still be a useful source about the region Balboa settled?
  • What does the missing world map intended for this book tell us about the limits of printing technology at the time?
  • How does a navigation manual like this reveal what Europeans knew — and didn't know — about the Americas in the 1510s?

This book is part of the curated material that grounds the AI version of Vasco Nunez de Balboa on Humy.ai — when students ask about related events, the AI can quote it and cite it.

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