Marconi Plaza, Philadelphia the work. . The Plaza later served as the grand pre-entrance for the 1926 Sesquicentennial Exposition, leading visitors south along a tree lined Southern Boulevard Parkway (Philadelphia, Pennsylvania) ( landscaped segment of South Broad Street) to the exhibition grounds that started at Packer Avenue and continued to League Island Park. This neighborhood twin park is mirrored on both sides of Broad Street and became property of the Fairmount Park system. It held the common name of Oregon Plaza until October 18, 1937 when it was officially named Marconi Plaza in honor of the Nobel Prize Laureate Guglielmo Marconi, the inventor
History of radio changing its software program. Digital transmissions began to be applied to broadcasting in the late 1990s. Around the start of the 20th century, the Slaby-Arco wireless system was developed by Adolf Slaby and Georg von Arco. In 1900, Reginald Fessenden made a weak transmission of voice over the airwaves. In 1901, Marconi conducted the first successful transatlantic experimental radio communications. In 1904, The U.S. Patent Office reversed its decision, awarding Marconi a patent for the invention of radio, possibly influenced by Marconi's financial backers in the States, who included Thomas Edison and Andrew Carnegie. This also allowed the U.S. government