Marconi National Historic Sites of Canada Marconi National Historic Sites of Canada The Marconi National Historic Site and the Marconi Wireless Station National Historic Site are two National Historic Sites of Canada located on Cape Breton Island, Nova Scotia, Canada. Both sites commemorate the efforts of Guglielmo Marconi to transmit transatlantic radio signals between North America and Europe in the first decade of the 20th century. The two sites are located within approximately of one another, and are connected by the Marconi Trail. Signal Hill in St. John's, Newfoundland and Labrador is another National Historic Site related to Marconi's work in Canada. Signal Hill was designated,
Italian cruiser Carlo Alberto the fleet review at Spithead on 16 August. On the return voyage Marconi conducted more long-range experiments with his site in Poldhu, Cornwall. The King then loaned "Carlo Alberto" to Marconi in September for more testing. She then ferried Marconi across the Atlantic to Glace Bay, Nova Scotia for further experiments transmitting radio messages across the ocean. After 15 December, when Marconi successfully transmitted messages from Glace Bay to Poldhu, "Carlo Alberto" was sent to Venezuelan waters during the Venezuelan crisis of 1902–03, when an international force of British, German, and Italian warships blockaded Venezuela over the country's refusal to