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  Was an Italian inventor who Sent and received the first radio signal in 1895
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  Lee de forest “borrowed” the idea for the audion tube form Reginald Fessenden , A vacuum tube that amplified signals which make Signals could travel farther
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  First radio program of voice and music broadcast in the U.S. (by R.A. Fessenden
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  While the titanic what sinking, it sent radio waves and because of that it was able to be found
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  Armstrong develops the superheterodyne radio receiver. The principle for this receiver is the basis for all radio receivers now in use.
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  1920-first radio station was made.
8xk(original name of the first radio station) later renamed kdka Opened by Frank Conrad - 
  
  KDKA broadcasts the first regular licensed radio broadcast out of Pittsburgh, PA.
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  : A radio statio in NYC, WRNY begins to broadcast television shows
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  Everyone listened to the radio because of war and great depression. Radios became very big and expensive
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  The future of radio and television is forever changed when John Bardeen, Walter Brattain, and William Shockley of Bell Laboratories co-invent the transistor.
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  Elvis' second song for the flip side of the acetate was another Ink Spots song, ' That's ... He made a strong impression on Marion Keisker, a long-time Memphis radio ... Even though nothing came of his first session at the Memphis Recording ...
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  One of the first songs to play on the radio
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  Sony introduces the first in its "Watchman" series of handheld, battery-operated, transistorized television sets. Model FD-210, with its 1.75-inch screen, is the latest entry in a 30-year competition among manufacturers to produce tiny micro-televisions. The first transistorized TV, Philco’s 1959 Safari, stood 15 inches high and weighed 15 pounds.
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  The digital transmissions began to be applied to broadcasting.
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  Miley cyrus changed into someone else and publish a very provcative song called 23
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  Iggy's song, "Fancy" came on the 102.7 for the first time