Autistic pride day Every year it is observed on 18 June to represent diversity and infinite possibilities. This is a day for the patients suffering from autism to come together with their families or caregivers. A day to promote awareness, acceptance and autonomy.And this day was celebrated for the first time in 2005 and now the whole world is doing it. Several events are organized around the world ,connecting one another and demonstrating to allistic people that people with autism are unique and should not be seen as cases for treatment.