<P> William Cooke and Charles Wheatstone introduced their working telegraph in 1839 . As early as 1840 Samuel F.B. Morse proclaimed his faith in the idea of a submarine line across the Atlantic Ocean . By 1850 a cable was run between England and France . That same year Bishop John T. Mullock , head of the Roman Catholic Church in Newfoundland , proposed a telegraph line through the forest from St. John 's to Cape Ray , and cables across the Gulf of St. Lawrence from Cape Ray to Nova Scotia across the Cabot Strait . </P>
when was the first underwater cable laid beneath the english channel
1850