NRK1 is the Norwegian Broadcasting Corporation's (NRK) main television channel. Test broadcasts started on 12 January 1954, regular test broadcasts started on 13 April 1958 and regular broadcasts started in 20 August 1960. It is Norway's oldest and largest television channel. Previously known as simply as "NRK", the channel now known as "NRK1", to distinguish itself from sister channel "NRK2", which started broadcasting in 1996.

Besides its own productions, the channel also broadcasts a significant amount of English-language programmes from the United States, Great Britain and Australia.
Its news programme is called Dagsrevyen

Dagsrevyen

Dagsrevyen is the daily evening news programme for the Norwegian television channel NRK1, the main channel of the Norwegian Broadcasting Corporation , broadcast at 7 pm. In 2007, the programme started airing simultaneously on NRK's dedicated news channel NRK2, but this arrangement ended that same...

.

In 2010 NRK HD was launched, broadcasting at 720p. NRK HD was set to make its first official broadcasting from the 2010 Vancouver Olympics opening ceremony

2010 Winter Olympics opening ceremony

The Opening Ceremony of the 2010 Winter Olympics was held on February 12, 2010 beginning at 6:00 pm PST at BC Place Stadium in Vancouver, British Columbia, Canada. This was the first Olympic opening ceremony to be held indoors...

, but the first HD broadcast was actually Super Bowl XLIV

Super Bowl XLIV

Super Bowl XLIV was an American football game between the American Football Conference champion Indianapolis Colts and the National Football Conference champion New Orleans Saints to decide the National Football League champion for the 2009 season. The Saints defeated the Colts by a score of...

, February 7, 2010.