GIA4807345 On 17/08/1858 the first transatlantic message was exchanged: two allegorical figures representing John (England) and Jonathan (United States) congratulated each other for the success of the underwater cable break between Europe and the New World. Behind them were USS Niagara and HMS Agamennon ships who installed the cable. Engraving from the end of the 19th century by Unknown Artist, (19th century); Private Collection; (add.info.: On 17/08/1858 the first transatlantic message was exchanged: two allegorical figures representing John (England) and Jonathan (United States) congratulated each other for the success of the underwater cable break between Europe and the New World. Behind them were USS Niagara and HMS Agamennon ships who installed the cable. Engraving from the end of the 19th century); by Giancarlo Costa; out of copyright.