when was the aforementioned network founded?
April 1, 1979
Nickelodeon
 it eventually launched on April 1, 1979 
when did the first spongebob episode come out May 1, 1999 who created the show? Stephen Hillenburg where was it first aired? Nickelodeon who were the main characters of this show? SpongeBob SquarePants,  snail Gary,  Patrick Star, Squidward Tentacles who voiced the first character? Tom Kenny where was he born? Syracuse, New York any other work by him? Kenny has acted in many films and TV shows, debuting in "How I Got Into College", "Shakes the Clown" when did he start his film career? 1989
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Nickelodeon [SEP] Introduction
Nickelodeon (often shortened to Nick) is an American pay television channel which was first tested on December 1, 1977, until it eventually launched on April 1, 1979 as the first cable channel for children. It is owned by ViacomCBS through its domestic networks division and is based in New York City. The network's programming is primarily aimed at children and adolescents aged 2–17, while some of its program blocks target a broader family audience. The channel was first tested in 1977 as part of QUBE, an early cable television system broadcast locally in Columbus, Ohio. QUBE's Channel C-3 aired "Pinwheel", an educational show developed by Vivian Horner.