Note: All information is fictional and is not meant to be taken seriously.
Cartoon Network originally had many different stations all located on Earth in different countries. It's main channel was in the United States.
On April 20, 2033, Cartoon Network officially joined together and began airing the same channel worldwide but in different languages. The channel moved all stations to Cartoon Network Station, an island located in the middle of Earth, in the Pacific Ocean.
As of June 1, 2080, Cartoon Network started airing the same channel universe-wide. It's station is on Cartoon Network Planet, a man-made planet located 30 lightyears away from Earth. However, the station on Earth is still currently operating.