World Hindi Day is celebrated on January 10th every year. It is a day to recognize and celebrate the Hindi language and its cultural and linguistic heritage. Hindi is an Indo-Aryan language spoken by millions of people in India, Nepal, and other countries around the world. It is the official language of the Indian states of Uttarakhand, Haryana, and Delhi, and is also one of the two official languages of the Union Government of India. World Hindi Day was first celebrated in 2006 to promote the use and study of Hindi globally, and to recognize the contributions of Hindi language and literature to the cultural diversity of the world.