1998-00-00 Más Música TeVe was launched.
1998-00-00 The Travel Channel became Travel Channel.
1998-00-00 Discovery Travel and Living was rebranded as Discovery Home and Leisure.
1998-00-00 Classic Sports Network was rebranded ESPN Classic.
1998-00-00 Low Power 57 in San Diego moved to channel 46.
1998-00-00 Cinemax2 became MoreMax.
1998-00-00 The Nashville Network goes by its abbrieviation TNN.
1998-00-00 ThrillerMax (PAY) was launched.
1998-00-00 Nostalgia-Good TV was renamed as GoodLife TV Network.
1998-00-00 Your Choice TV shut down.
1998-03-10 Showtime Extreme (PAY) was launched.
1998-03-29 BBC America was launched.
1998-04-01 HBO2 was rebranded as HBO Plus.
1998-04-18 Toon Disney was launched.
1998-05-11 ZDTV (later known as TechTV) signed on. It featured news and shows about computers, technology, and the Internet.
1998-06-29 Lifetime Movie Network was launched.
1998-06-30 Request TV signed off.
1998-06-31 (mid-year) Sports Classics signed off.
1998-07-00 Discovery Wings Channel was launched.
1998-07-31 Sega Channel signed off.
1998-08-01 VH1 Country signed on.
1998-08-01 MTV S was launched.
1998-08-01 MTVX signed on.
1998-08-01 VH1 Smooth signed on.
1998-08-15 The Family Channel renamed Fox Family Channel.
1998-08-31 PAX TV Network was launched.
1998-10-00 HBO3 was rebranded as HBO Signature.
1998-10-01 Esquire Network signed on.
1998-10-01 Style Network replaced the Q2 channel after four years (failed in 1996 according to another source).
1998-11-09 Nickelodeon Games and Sports for Kids was launched as a programming block on Nickelodeon.
Source for above: The Cable Center website: Cable History Timeline: http://www.cablecenter.org/resources/exhibits/cable-history-timeline.html
On June 16, 1998, America's Health Network presented the first human birth carried live over the Internet, from Orlando's Arnold Palmer Hospital for Children.
Source for above: Wikipedia.