It was designated by the United Nations General Assembly at the end of 2007.[51] On April 2, 2009, activists left 150 strollers near Central Park in New York City to raise awareness that one in 150 children is estimated to be autistic.[52] There are many celebration activities all over the world on April 2 – World Autism Day. “Autism knows no geographic boundaries — it affects individuals and families on every continent and in every country,” said Suzanne Wright, co-founder of the group Autism Speaks. “The celebration of World Autism Awareness Day is an important way to help the world better understand the scope of this health crisis and the need for compassion and acceptance for those living with autism.