World Radio Day

Number of radio receivers per 1,000 population:  Algeria: 7  Australia: 131  United States: 189  France: 62  Hungary: 40  Italy: 15  Kenya: 77  New Zealand: 146  Poland: 20  Romania: 8 Czechoslovakia: 63  U.S. S.R. 22  A new radio centre broadcasting on short wave is set up at the olympic stadium in Zeesen (Germany) on the occasion of the Berlin Olympic Games .  April : A Radio-Club station is set up in Congo Brazzaville.  11 July : In Spain a Falangist group seizes the Union-Radio station in Valencia and announces that revolution is imminent. There is widespread fighting for control of Spain's radio stations. 23 September : The International Convention on the use of Broadcasting in the Cause of Peace is signed at Geneva (Switzerland). Hong Kong starts short-wave broadcasting to China and Europe.  The BBC's first big scoop : a report on the fire at the Crystal Palace (London) , with on-the-spot commentary and...

 Aleksander S. Popov (Russia) invent the lighting-recording antenna ; On 7 May he presents the first receiver electromagnetic waves to the St. Petersburg Physical and Chemical Society. New bolologna (Italy) Guglielmo Marconi carries out the first experimental transmission of wireless signals over the distance of 400, them 2,000 metres.