In 1920...The first radio play-by-play broadcast of a football game was aired by WTAW in College Station, Texas. The University of Texas defeated Texas A&M, 7-3.
In 1960..."Amos 'n' Andy," in its final incarnation as "Amos 'n' Andy's Music Hall," was heard for the last time on CBS Radio. Created, written and voiced by Freeman Gosden and Charles Correll, the show had been heard nationally since March of 1928. It ran as a nightly serial from 1928 until 1943, as a weekly situation comedy from 1943 until 1955, and as a nightly disc-jockey program from 1954 until 1960.
In 1960...CBS ended its last five radio soap operas: "Ma Perkins," "Right to Happiness," "Young Dr. Malone," "Whispering Streets," and "The Second Mrs. Burton."
In 1976...a Viking 1 radio signal from Mars help to prove Einstein's general theory of relativity.