I was listening to the radio today, and something stood out; specifically, it was someone discussing the five oceans of the world.
When did the fifth ocean come into existence? When I was in school, we learned the Arctic, Atlantic, Indian, and Pacific; now, the marine region around Antarctica is apparently called the "Southern Ocean". Was this to balance the fact that the Northern pole had its own named body of water? Were people at the South Pole jealous?
My main curiosity involves how long ago this started being taught in schools, which schools, and why the decision was made to name a fifth ocean. Today is the first I ever heard of it.