World Telecommunication and Information Society Day (WTISD) has been celebrated annually every 17 May since 1969 to mark the founding of ITU and the signing of the first International Telegraph Convention in 1865.
World Telecommunication and Information Society Day (WTISD) has been celebrated annually every 17 May since 1969 to mark the founding of ITU and the signing of the first International Telegraph Convention in 1865.