Guglielmo Marconi (Piccirilli) Guglielmo Marconi (Piccirilli) Guglielmo Marconi is a public artwork by Attilio Piccirilli, located at the intersection of 16th and Lamont Streets, N.W., in the Mount Pleasant neighborhood of Washington, D.C., United States. It stands as a tribute to Italian inventor Guglielmo Marconi. It was paid for by public subscription and erected in 1941. The artwork was listed on both the District of Columbia Inventory of Historic Sites and the National Register of Historic Places in 2007. It is a contributing property in the Mount Pleasant Historic District. The monument was originally surveyed as part of the Smithsonian's Save Outdoor Sculpture!
History of radio Christmas Eve 1906, Reginald Fessenden used a synchronous rotary-spark transmitter for the first radio program broadcast, from Ocean Bluff-Brant Rock, Massachusetts. Ships at sea heard a broadcast that included Fessenden playing "O Holy Night" on the violin and reading a passage from the Bible. This was, for all intents and purposes, the first transmission of what is now known as amplitude modulation or AM radio. In June 1912 Marconi opened the world's first purpose-built radio factory at New Street Works in Chelmsford, England. The first radio news program was broadcast August 31, 1920 by station 8MK in Detroit, Michigan, which