Because of what Pacific means: disposed to peace or of a peaceful nature.
The Pacific Ocean is far from "Peaceful" at times
Ferdinand Magellan named the Pacific Ocean
The pacific ocean is NOT named "the south sea".
He discoverd the Pacific ocean
The person who named it the pacific ocean named it this because of its calmness and beauty
Pacific means peaceful or quiet. The Pacific Ocean was named by Ferdinand Magellan. It took him three months to sail through the peaceful calm waters, which was why he called it the Pacific Ocean.
Stiller Ocean is just the name of the ocean in German. Stiller in German language means exactly same thing as Pacific in Latin - quiet, peaceful. Asking "when" it was named Stiller Ocean is kind of like asking "when" it was named Pacific Ocean.
Ferdinand Magellan
a: the Pacific Ocean was named after Ferdinand Magellan the famous explorer.
Ferdinand Magellan named the Pacific Ocean
Explorer Ferdinand Magellan named the Pacific Ocean.
The Straits of Magellan (between Tierra del Fuego and Chile) are named after him. It is not an entire ocean.
The movie was named Pacific Rim because the giant creatures cross a portal located on the floor of the Pacific Ocean.