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| 1929 |
| 1931 |
| 1933 |
| 1936 |
Your answer was: 1931. |
Answer: Pope Pius XI commissioned Guglielmo Marconi, the inventor of the radio, to build the Vatican’s short wave radio station. The first broadcast and inauguration of the station took place on February 12th, 1931 with the Pope’s greetings in Latin broadcast live around the world. ![]() ![]() Radio Centenary Issue Scott # 978 & 979 (1995) |