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Cheming gum was patented by a dentist! William Semple patented his early rubbery gum in 1869.
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Communication > Radio Communications
On 7th January, 1904, The use of CQD as a radio distress signal is announced... Read more »
On 12th January, 1908, The first long distance radio transmission was broadcast from the Eiffel Tower... Read more »
On 17th October, 1919, The Radio Corporation of America was established... Read more »
On 28th April, 1922, WOI-AM became America’s first licensed educational radio station... Read more »
On 26th March, 1923, The BBC first began their daily weather forecasts on radio... Read more »
On 23rd February, 1927, The Radio Act of 1927 was signed in the USA, creating the Federal Radio Commission... Read more »
On 12th March, 1933, U.S. President Roosevelt gave the first of his fireside chats on radio... Read more »
On 2nd April, 1935, Sir Robert Watson-Watt received a patent for RADAR... Read more »
On 11th August, 1942, Hedy Kiesler Markey received a patent for a Secret Communications System... Read more »
On 1st June, 1946, Britain introduced the first television licenses to the public... Read more »
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