KDKA in Pittsburgh, Pennsylvania, became the first licensed radio station in 1920.
In 1928, television saw its first newcaster, Kolin Hager. He would give weather and farm reports three times a week from New York-based station W2XB.
Edward R. Murrow was one of the first and most recognizable voices in radio news. He became famous for his broadcasts from London during World War II.
In 1963, a little less than a year after Walter Cronkite took over the CBS Evening News, the first half-hour news show was broadcast. This newscast featured Walter Cronkite interviewing President John F. Kennedy. Two months later, Cronkite had to report President Kennedy's assassination.
On September 11, 2001, the terrorist attacks on the World Trade Center were broadcast live on television, making clear how much of an impact live newscasting has on society.