Who discovered lisbon Portugal?

Answer 1

Nobody "discovered" Portugal.

Portugal became a single political entity in the late 11th century and throughout the 12th century gained consciousness of political independence from any kind of vassalage, except of the Pope's protection.

Answer 2

Lisbon was not discovered.

It has been populated since the time before the Romans by the Celtics, the Visigodes and the Sueves.

Answer 3

No one invented Portuguese. It is a natural language that evolved over time.

Answer 4

Ferdinad Magellan.