🔬 Discovery

Columbian exchange

Intercambio colombino

Date
1493-1600 · confidence medium
Place
La Isabela, Puerto Plata, Dominican Republic
Credited to
European colonisers and American, African and European populations
Field
Life & health

What was discovered

Massive transfer of plants, animals and diseases between the Americas and the Old World from 1492: potato, maize and tomato to Europe and Asia; horse, wheat and sugarcane to the Americas; smallpox and measles devastated the American population. The term was coined by Alfred Crosby in 1972.

The concept is historiographical (Crosby, 1972); mortality figures from disease are heavily debated (from 5 to 60 million depending on estimates).

What it led to

  • Indigenous demographic collapse and reorganisation of American societies
  • Population growth in Eurasia thanks to American crops
  • Plantation economy and transatlantic slavery
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Sources✓ verified 2026-11-04