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João da Gama

Portuguese explorer

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMay 7, 2026
Entity authorityQ21933682 ↗
Source-derived summary

João da Gama (c. 1540 – after 1591) was a Portuguese explorer and colonial administrator in the Far East in the last quarter of the 16th century. He was the grandson of Vasco da Gama. João da Gama sailed from Macau to northeast and rounded Japan by north. He crossed the Pacific Ocean at the northernmost latitudes taken until then by Europeans. Forced by the circumstances of his voyage, he became also a circumnavigator (one of the first to do it eastwards). The lands northeast of Japan which João da Gama discovered were the target of legend and speculation in the centuries that followed, inspiring its search by European powers.

Early years and voyages to the East

Not much is known of his childhood and youth, though is believed that he was born around 1540. His parents were Guiomar de Vilhena, Countess of Vidigueira and Francisco da Gama, 2nd Count of Vidigueira, son of the explorer Vasco da Gama, the discoverer of the sea route to the East. He was married with Joana de Menezes and had one son, Vasco da Gama, who later became captain in Chaul.

Editorial summary

“João da Gama” enters the record as portuguese explorer. Crown Archives preserves that source wording while asking what João, Gama and Portuguese can confirm, complicate or overturn.

Editorial reviewA concise reference frame for defining the subject, testing terminology and identifying the institution closest to the evidence. The current lead gives the account dated anchors—1540, 1591—that can be checked directly. The linked authority record independently contributes the date 1540-01-01. Its strongest next move is a source search built around João, Gama and Portuguese.
Editorial analysis

Why this record matters

“João da Gama” is worth following because a concise public description often conceals a longer documentary argument. Here, João, Gama and Portuguese provides the most credible route into that argument.

Evidence profile

Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated May 7, 2026. The linked authority identifier is Q21933682. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1540 and 1591.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

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Source & attribution

This entry incorporates text from “João da Gama” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.