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The first radio was called the wireless telegraph it was made in St. Louis, Missouri 1895 by Guglielmo.
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The first field radios used by the United States Army saw action in the Spanish American War 1898.
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the first song on the radio was O Holy Night on the violin in 1906
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Rosen in 1911, this wireless transmitter is the oldest known surviving example of airborne radio.
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1920s the radio were primarily used to contact ships that were out at sea.
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In 1924, Kelly's Motors in Australia, installed its first car radio.
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The radio was most popular between the late 1920s and the early 1950s
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the first portable radio was in 1941