since evolved into a separate MSG sub-channel for the Sabres market called MSG Western New York which is dual-controlled and programmed by MSG and Pegula Sports and Entertainment, owners of the Sabres effectively making it an owned and operated RSN. The Sabres had moved to MSG after the closure of their former home, Empire Sports Network, in the wake of the financial collapse of its owner Adelphia Communications Corporation. History The first regional sports network is considered to be the Madison Square Garden Network. An early unnamed version of that network started broadcasting Knicks and Rangers to a small number of subscribers in Manhattan in May 1969. By the late 1970s another version of this network would launch and be made available to other cable systems in the metropolitan area and it would finally receive the name Madison Square Garden Television in 1980. Another early network considered by many to be an RSN is Philadelphia's PRISM which launched in 1976 offering coverage of three of the city's major sports teams and movies. In 1976, Cablevision launched a new service providing coverage of Long Island sports (originally called Cablevision Sports 3). This channel would be renamed SportsChannel New York in 1979 and became the first channel to resemble a modern regional sports network. Other SportsChannels were launched in different cities and in 1988, they were formally organized into a group that shared programming and national TV rights. United States Bally Sports For years, the default RSN for many markets was owned by Fox Sports. Fox Sports Networks, which launched on November 1, 1996, as Fox Sports Net, was created through former parent News Corporation's October 1995 purchase of a 50% equity stake in Liberty Media-owned Prime Sports Networks, co-founded in 1988 by Bill Daniels and Liberty's then-sister company Tele-Communications Inc. The group expanded further in June 1997, Fox/Liberty Networks, the joint venture company operated by News Corporation and Liberty Media, purchased a 40% interest in the Cablevision-owned SportsChannel group. As part of a rebranding effort, the collective branding of the networks – which eventually became "FSN (Region/City)" in 2004 – was extended to Fox Sports (Region/City) (also used from 1996 to 2000) with the start of the 2008 college football season. The FSN networks were acquired by Diamond Sports Group from The Walt Disney Company in 2019, as Disney was required to divest them by U.S. Department of Justice as a