Who Discovered Micronesia? Ferdinand Magellan (1521)

The first European to reach Micronesia was Ferdinand Magellan (Portuguese, sailing for Spain) in 1521 during his circumnavigation voyage.

• Landfall: Guam (Mariana Islands) — March 6, 1521.
• Also visited: Rota, possibly other Marianas.

Subsequent European Contact

• Spanish Colonization: 1668 — Jesuit mission on Guam (San Vitores); 1696 — Yap.
• Later Explorers: Quiros, Torres, Wallis, Carteret, Kotzebue, Dumont d'Urville mapped Carolines, Marshalls, Gilberts (Kiribati).
• German/Japanese Administration: Late 19th–mid 20th century.

Indigenous Micronesians (Chamorros, Carolinians, Marshallese, etc.) inhabited the islands for ~3,000+ years before European arrival.