Bartolomeu Dias: Rounded the Cape of Good Hope, Did Not Cross the Indian Ocean
Bartolomeu Dias (c.1450-1500)** did **not cross the Indian Ocean**. His historic 1487-1488 voyage achieved a different milestone: **rounding the southern tip of Africa**, proving the Atlantic and Indian Oceans were connected.
The 1487-1488 Voyage
- Departure: Lisbon, August 1487 (3 ships: São Cristóvão, São Pantaleão, supply vessel)
- Southward progress: Beyond previous Portuguese limit (Cape Cross, ~22°S)
- January 1488: Caught in storm; driven south and east; unknowingly rounded the Cape
- February 1488: Landed at Mossel Bay (named Aguada de São Brás) — **easternmost point**
- March 1488: Crew forced return; erected padrão at Cape of Good Hope (Cabo da Boa Esperança)
- Return: Lisbon, December 1488 (16 months)
What He Proved
- Africa had a southern extremity — not connected to Antarctic continent (Ptolemy's error)
- Atlantic → Indian Ocean passage existed
- Route to India *by sea* was feasible
Who Crossed the Indian Ocean to India
Vasco da Gama (1497-1499) — built on Dias's breakthrough. Sailed from Lisbon, rounded Cape, crossed Indian Ocean to Calicut (Kozhikode), establishing the *Carreira da Índia*.
Dias's Later Role
- Supervised construction of da Gama's ships (São Gabriel, São Rafael)
- Accompanied Cabral's 1500 fleet (discovered Brazil en route)
- Died 1500: shipwrecked near Cape of Good Hope in cyclone — body never recovered
Name Note
Correct spelling: **Bartolomeu Dias** (Portuguese). "Bartholemeu" is an anglicized variant.
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