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📜 History

Inca Empire

The Andes empire — road networks, no writing, and a civilization built on reciprocity.

📖 2 min read#735 rank
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The Inca Empire (Tawantinsuyu, 'Four Regions,' 1438-1533 CE) was the largest empire in pre-Columbian America — stretching 4,300 km along the Andes from Ecuador to Chile, with a population of 10-12 million people. Founded by Pachacuti (1438), it was conquered by Francisco Pizarro's 168 Spanish conquistadors (1532-33) — the most dramatic conquest in history. The Inca achieved extraordinary things without writing, wheels, or metal tools: the Royal Road (40,000 km of roads crossing the Andes, with rope bridges over gorges, still usable today); administrative control via quipu (knotted string recording systems whose full meaning has not been deciphered); the fastest communication system of the pre-modern Americas (relay runners covering 400 km/day); and the city of Machu Picchu (1450 CE, 7,970 feet elevation, abandoned ~1572, rediscovered by Hiram Bingham 1911).

# Top 10 Inca facts

  1. 140,000 km road network
  2. 2quipu record keeping
  3. 3Machu Picchu (1450 CE)
  4. 4168 conquistadors defeated 12M
  5. 5Atahualpa's ransom (room full of gold)
  6. 6smallpox preceded Pizarro
  7. 7freeze-dried potatoes (chuño) as food storage
  8. 8Andean textiles
  9. 9terrace agriculture
  10. 10Sun Temple (Coricancha) in Cusco

Fascinating Facts

  • ◆Francisco Pizarro conquered an empire of 12 million people with 168 soldiers — smallpox had preceded him, killing 90% of the population including the Inca emperor Huayna Capac and causing a civil war
  • ◆Machu Picchu was built without iron tools, wheels, or mortar — the massive granite stones fit together so precisely that a knife cannot be inserted between them
  • ◆The Inca Royal Road (40,000 km) crossed the Andes using rope suspension bridges over gorges — the bridges were regularly maintained by local communities as a form of labor tax and were strong enough to carry llama caravans
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