World Information Society Day is celebrated on May 17, 2021. The day had previously been known as World Telecommunication Day to commemorate the founding of the International Telecommunication Union in 17 May 1865. It was instituted by the Plenipotentiary Conference in Malaga-Torremolinos in 1973. The main objective of the day is to raise global awareness of societal changes brought about by the Internet and new technologies. It also aims to help reduce the Digital divide.
The International Telecommunication Union is a specialized agency of the United Nations that is responsible for issues that concern information and communication technologies. The ITU coordinates the shared global use of the radio spectrum, promotes international cooperation in assigning satellite orbits, works to improve telecommunication infrastructure in the developing world, and assists in the development and coordination of worldwide technical standards. (With material from: Wikipedia)