What was the first network in the United States to have 24 hours news?

Cable News Network (CNN) is an American news-based pay television channel owned by AT&T's WarnerMedia. CNN was founded in 1980 by American media proprietor Ted Turner as a 24-hour cable news channel. Upon its launch, CNN was the first television channel to provide 24-hour news coverage, and was the first all-news television channel in the United States. Globally, CNN programming airs through CNN International, which can be seen by viewers in over 212 countries and territories.