Some important dates for radio

22 February 1857 : Birthday of Heinrich Rudolf Hertz, a German physicist who clarified and expanded the electromagnetic theory of light that had been put forth by Maxwell. He was the first to satisfactorily demonstrate the existence of electromagnetic waves by building an apparatus to produce and detect radio waves. His achievements triggered the invention of the wireless telegraph and radio.

30 November 1858 : Birthday of Jagdish Chandra Bose, a pioneer of wireless broadcasting. Indian physicist, biologist, and early writer of science fiction, he pioneered the investigation of radio and microwave optics and laid the foundations of experimental science in the Indian subcontinent.

6 October 1866 : Birthday of Reginald Fessenden, inventor of audio broadcasting and radio pioneer.

25 April 1874 : Marconi’s date of birth.

7 May 1895 : Russian inventor Alexander Popov’s first demonstration of his radio receiver to the Russian Physical and Chemical Society. The date is celebrated in the Russian Federation and Bulgaria as "Radio Day".

28 March 1896 : Anniversary of Marconi's first audio transmission. (Marconi is known for his development of the telegraph and we have found no evidence of a first in audio transmissions).

2 June 1896 : Marconi patented a radio device.

27 July 1896 : Marconi's first public wireless transmission of Morse code.

10 February 1898 : Bertold Brecht’s date of birth. German poet, playwright, stage director, and author proposed that radio could be interactive if transformed from “a means of distribution into a communication tool”.

24 December 1906 : Reginald Fessenden made the first radio broadcast, transmitting voice, live music and recorded music.

15 April  1912 : Sinking of the Titanic. The date emphasises the role of radio (telegraphy) in saving the lives of many passengers.

13 August 1912 :  The “Act to Regulate Radio Communication” was passed in the United States. Radio as a regulated common good.

1920 : The first radio broadcasts in Sub-Saharan Africa were made in the early 1920s

27 August 1920 : Transmission of Wagner’s Parsifal by “Los Locos de la Azotea”, Teatro Coliseo, Buenos Aires, Argentina. Recognised as Argentina's first public broadcast 27 August is the official Day of Radio broadcasting in Argentina.

18 October 1922 : the privately owned BBC was the world's first national broadcasting organization and was founded as the British Broadcasting Company Ltd

18 December 1923 : the first experimental radio broadcast in South Africa took place in Johannesburg

1927 : Transmission by Radio started in Kenya in 1927 with advent of the East African Broadcasting Corporation (EABC) which relayed BBC news to the colonies. English Radio Broadcasting begun in 1928. The Broadcasts targeted white settlers who monitored news from their home and other parts of the world.

30 October 1938 : The day Orson Welles' The War of the Worlds radio play was first broadcast in the USA.

13 February 1946 :  Anniversary of the creation of United Nations Radio.

28 August 1963 : Martin Luther King’s speech at the Lincoln Memorial that marked the defining moment for the American civil rights movement.

24 March  1980 : Anniversary of the murder of Archbishop of San Salvador, Oscar Arnulfo Romero. He was a great communicator and demonstrated radio's potential to promote and defend human rights.

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