Find the fun in rain and taxes! World Autism Awareness Day World Autism Awareness Day is an internationally recognized day on 2 April every year, to raise awareness about people with Autism Spectrum Disorder throughout the world. Siblings Day They can be your best friend or the bane of your existence, but probably no one knows you better. Hug your sibling today! Teach Children to Save Day Helping kids develop healthy money habits today will lead to smarter financial decisions