the incas came to south america in the 15th century
Afonso de Paiva ( 15th - century / 16th - century diplomat and explorer in Ethiopia ) Fernão de Noronha ( 15th - century / 16th - century explorer of the Atlantic ) Gaspar de Lemos ( 15th - century / 16th - century explorer of the Atlantic and of the sea route to Brazil ) Gonçalo Coelho ( 15th - century / 16th - century explorer of the South American coast ) João Fernandes Lavrador ( 15th - century / 16th - century explorer of North America ) Pêro da Covilhã ( 15th - century / 16th - century diplomat and explorer in Ethiopia and India ) Pêro de Barcelos ( 15th - century / 16th - century explorer of North America )