Q: When did Barolomeu Dias set sail on his voyages?
A: The voyage that carried Bartolomeu Dias's squadron of three ships all the way to the Cape of Good Hope set sail from the Tagus River in August of 1487.
Q: When was the Treaty of Torsidillas signed?
A: The Treaty of Torsidillas was drawn up in 1494 to demarcate
the boundaries of the spheres of influence of the Spanish and Portuguese kings.
Q: When did Bartolomeu Dias return from his voyage?
A: Bartolomeu Dias anchored at the Tagus River in December
1488 after a trip of sixteen months, two weeks, and three days.