The Pacific and Atlantic Oceans are also sometimes split into Northern and Southern parts, e.g. North Pacific, South Atlantic etc. due to their big size.
because one day a man was ridding a ship and he fell and the when the police rescue him his first word was "ocean" since that day everybody calls it ocean
Early inhabitants of the world pictured the Earth (Europe and Asia) as a vast continent on a flat disk. The continent was surrounded by water. The Greeks named this water "okeanos", the great stream...