02 March 1932,
Journalists Joseba Zubimendi and Ander Arzelus Luzear started the first Basque radio programme broadcast on a fixed frequency. The program of the radio station Unión Radio de San Sebastián was very successful and prepared a special performance for the 100th edition, which was broadcast from Kursaal.
To delve into the topic: Report in the Berria newspaper of those who took the Basque to the radio.
Source:
Sabino Arana Foundation