News program news, and often regularly included "feel-good stories" or humorous reports as the last items on their newscasts, as opposed to news programs transmitted thirty years earlier, such as the "CBS Evening News with Walter Cronkite". From their beginnings until around 1995, evening television news broadcasts continued featuring serious news stories right up to the end of the program, as opposed to later broadcasts with such anchors as Katie Couric, Brian Williams and Diane Sawyer. News broadcasts in the United States were initially transmitted over the radio. NBC began broadcasts in November 1926, with CBS entering production on the 25th of
Walter Cronkite events that alter and illuminate our times ... and you were there." In 1971, the show was revived and redesigned to attract an audience of teenagers and young adults, hosted again by Cronkite on Saturday mornings. In 1957, he began hosting "The Twentieth Century" (eventually renamed "The 20th Century"), a documentary series about important historical events of the century composed almost exclusively of newsreel footage and interviews. A long-running hit, the show was again renamed as "The 21st Century" in 1967 with Cronkite hosting speculative reporting on the future for another three years. Cronkite also hosted "It's News to Me",