The correct option is A 1865
International Telecommunications Union was established as International Telegraph Union on 17th May, 1865 at Paris. It is a specialised agency of the UN which deals with issues related to Inernational Telecommunications and information technology. The International Telegraph Union merged with International Radiotelegraph Union which was unofficially established, in the year 1932 to make International Telecommunication Union which is now headquartered at Geneva, Switzerland.