Charles Benedict Calvert telegraph, Samuel Morse and Alfred Vail. On April 9, 1844, Morse and Vail successfully tested their device by transmitting a message from the nation's capital to the Calvert home, Riversdale. This test came 45 days before the more celebrated event when Morse sent the message "What hath God wrought?" from Washington to Baltimore, along telegraph lines that ran above the Baltimore and Ohio Railroad line near Riversdale. Calvert became president of the Prince George's County, Maryland Agricultural Society and the Maryland State Agricultural Society, and served as vice president of the United States Pomological Society. He founded the first agricultural
History of telegraphy in Australia operator at the receiving end converts these sounds or signals into a written message. The code system used throughout Australia was the Morse code. Australia's first telegraph line, sponsored by the Victorian Government, was erected between Melbourne and Williamstown in 1853 and 1854 by Samuel McGowan, a recently immigrated Canadian telegrapher. The line covered a distance of and went into operation in March 1854, less than 10 years after the opening of the first public telegraph line (1 May 1844) in the world (linking Baltimore and Washington DC). 4000 telegrams were despatched in the first year (1854). When the line