International Telegraph Union

…applications of the telegraph, the International Telegraph Union was formed in 1865 to establish standards for use in international communication. In the following year the first successful transatlantic cables were completed.

…traced to 1865, when the International Telegraph Union was established by a convention signed in Paris. The International Telecommunication Convention of 1932, which merged the International Telegraph Convention and the International Radiotelegraph Convention, provided that the International Telecommunication Union would succeed the International Telegraph Union when the convention became effective…