In crossing the Atlantic in 1498, Columbus…

August 1498 CE

In crossing the Atlantic in 1498, Columbus discovers that the angle between North as indicated by a magnetic compass and North as measured by the position of the pole star changes with his position (a phenomenon now known as "compass variation").

He will later use his previous measurements of the compass variation to adjust his reckoning.

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Columbus Channel View →

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Christopher Columbus View → Isabella I of Castile View → Juan Ponce de León y Figueroa View → Juan de la Cosa View → Martín Alonso Pinzón View → Vasco Núñez de Balboa View →

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Arawak peoples (Amerind tribe) View → Kalinago (Amerind tribe) View → Lucayans View → Taíno View → Aragón, Kingdom of View → Aragon, Crown of View → Castile, Crown of View → Canary Islands (Castilian colony) View → Santo Domingo, Captaincy General of View →

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Age of Discovery View → Canary Islands, conquest of the View → Colonization of the Americas, Spanish View →

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Watercraft View → Exploration View → Government View → Geography View →

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