By the year 5,000,000,000, "Classic Earth" referred to the continental formation of Earth around the 21st century. (TV: The End of the World) The massive original land mass, Pangaea, had broken up into several smaller continents. (PROSE: The Sword of Forever) This "version" of the planet had seven continents: Antarctica, South America, North America, Europe, Asia, Africa and Australia. The Earth was restored to "Classic" shortly before its final destruction in 5.5/Apple/26. (TV: The End of the World)