Ferdinand Magellan named the Pacific Ocean in 1520 after sailing through a calm patch of water.
Notes on verification
Corroborated by NOAA, History.com, Wikipedia, and other historical sources agreeing Magellan named the ocean 'Pacific' in 1520 due to calm waters after passing through the strait. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.867 clusters=3 claim_tier=notable]
Sources
- The Pacific Ocean—facts and information (seed:science_and_space)
- https://oceanservice.noaa.gov/facts/pacific.html (corroboration)
- https://www.history.com/this-day-in-history/november-28/magellan-reaches-the-pacific (corroboration)
- https://www.missedhistory.com/article/magellan-named-pacific-ocean-peaceful-1520 (corroboration)