For 10 points, give this surname of the Portuguese explorer who became the first European to sail around the Southern tip of Africa.
An explorer with this surname erected a padrõe rediscovered on False Island in the 1930s and was the first European to see the Great Fish River. A politician with this surname was advised by Cientificos like Ramon Corral, while a conquistador from Castile with this surname described the exploits of Herman Cortes in The (*) Truthful History of the Conquest of New Spain. A president with this surname won the battle of Tecoac to oust Sebastían Lerdo de Tejada from power, and was succeeded by Francisco Madero. For 10 points, give this surname of the Portuguese explorer who became the first European to sail around the Southern tip of Africa.
An explorer with this surname erected a padrõe rediscovered on False Island in the 1930s and was the first European to see the Great Fish River.
Diaz [or Dias]