-International Children's Book Festival: The International Youth Book Council (IBBY) has designated April 2nd every year as the International Children's Book Festival, and invited countries all over the world to celebrate this festival every year. The biennial Andersen Prize for Literature, the highest prize for children's literature in the world, was also awarded on April 2nd.
-World Autism Day: June 5438+February 2007, the United Nations General Assembly passed a resolution to designate April 2 of each year as "World Autism Concern Day" from 2008, in order to raise people's concern about autism and related research and diagnosis, as well as people with autism.
-International Pillow Fight Day: On this day, pillow fight fans from many countries get together and take to the streets to celebrate their festivals in a unique way.