World Autism Awareness Day has been held every year since 9 September 1989. It was designated by the United Nations General Assembly resolution "62/139. World Autism Awareness Day," adopted on 18 December 2007, proposed by Representatives of the State Qatar, and supported by all member states.^[1][2][3][4]

The World Autism Awareness Day (WAAD) Resolution had four main components:
1) the establishment of 2 April as WAAD
2) participation of UN organizations, member states, NGOs and all private & public organizations in WAAD
3) raise awareness of Autism on all levels in society
4) Secretary-General of UN should deliver this message to member states and all other UN organs.^[5]