Nick Jr. (Noobian Union)

Nick Jr. Noobville is a network made by Viacom Noobville.

It first launched in 1992 as the Nick Learning Channel, but it launched as a block in 1996 along with the channel in 1997.

Nick Learning Channel (1992-1997)
In 1992, when Nickelodeon Noobville had launched, it included another channel: It was called the Nick Learning Channel. Nick Learning Channel was an E/I commercial free channel. It was the free-to-air version of Nickelodeon. In 1995, when the Nickelodeon channel shuts down for a short time, Nick Learning Channel for the first time included Nick Jr. . In 1996, Nickelodeon started airing Nick Jr. In 1997, Nick Learning Channel ceased programming, leaving room for Nick Jr. to get a channel.

Nick Jr. before being 24 hours (1997-2009)
When the Nick Jr. channel launched, it aired from 6.00 ENST-19.45 ENST, when it signs off, Nick Plus airs, but Nick Plus got it's own channel in 1999. From 1999-2005, TEENick Noobville was the nighttime block. When TEENick got it's own channel, Nick Jr. Classics (formally Noggin Noobville) aired during the nighttime.

Nick Jr.'s 24 hour channel (2009-present)
After Nick Jr. Classics went defunct, Nick Jr. began as a 24 hour channel. In replacement of Nick Jr. Classics, Nick Jr. introduced the Nick Jr. Nighttime hour. The Nick Jr. Nighttime Hour puts stuff related to nighttime or older shows.