17 years
ln 1418 he opened his school
He opened it in 1418.
His school was set up on the south-western tip of Portugal
Prince Henry
ca. 1450 Prince Henry the Navigator establishes a Naval observatory for the teaching of navigation, Astronomy, and cartography.
Prince Henry the Navigator's ships were called caravels. They were light, fast, and very maneuverable. They were used mostly as coastal vessels, but could navigate into the open sea.
no
Prince Henry
Prince Henry
It does have school on monday.
Probably and if it isnt it definately should be
Prince Henry, Duke of Viseu