Here are ten facts about the history of radio.
1. The first commercial radio broadcast was about the 1920 American federal election. The winners were Harding and Cox.
2. President Franklin D. Roosevelt used the radio to broadcast his fireside chats during the Great Depression and Second World War which served as a great comfort to many Americans.
3. An AM radio wave runs the length of a football field.
4. The term "broadcast" originates in the agricultural concept of broadcasting seeds on the plowed ground.
5. Dr. Frank Conrad started the first commercial radio station KDKA in his garage in Wilkinsburg, Pennsylvania.
6. The 1938 CBS radio dramatization of the War of the Worlds, a fake Martian invasion of the U.S., panicked thousands of Americans.
7. NBC first used The Three Chimes (G-E-C) on November 29, 1929.
8. AT & T was the first to develop a radio network in the United States. The company used the existing telephone lines, amplified by vacuum tubes.
9. Walter Winchell, the most influential newsman of the early 1940's, used to start his broadcasts with the line: "Good evening, Mr. and Mrs. North and South America and all ships at sea..."
10. Originally stations along the Atlantic Seaboard were given the first letter W. Any stations west of the Mississippi were given the letter K.