Alexander Mackenzie was the first.
Ferdinand Magellan, who led the first expedition to sail around the world, exploring routes across the Pacific Ocean in the early 16th century.
Balboa
Magellan's expedition of 1519-1522 became the first expedition to sail from the Atlantic Ocean into the Pacific Ocean the passage being made via the Strait of Magellan, and the first to cross the Pacific from Wikipedia
You would sail via the Pacific Ocean.
It was the Pacific Ocean and he was the first one to sail it completely in 1576.
Bartolomeu Dias. Portuguese explorer who in 1488 led the first expedition to sail around the southern tip of Africa from the Atlantic and sight the Indian Ocean.
You would sail through the Pacific Ocean.
That depends entirely on where in the Pacific to where in the Atlantic.
The Pacific Ocean.
The majority of the Amazon rainforest (60%) lies within Brazil, which is in South America. Ferdinand Magellan was a Portuguese explorer who was the first to sail south of South America and into the Pacific Ocean, which he named.
Ferdinand Magellan was a Portuguese explorer who in 1519 set sail to find a route to the Spice Islands. While on the expedition, Magellan discovered the Strait of Magellan and was the first European to cross the Pacific Ocean.