India has a long and rich history, and was one of the richest countries in the world until British rule. Some key facts about India's history and achievements include that chess, algebra, and the decimal system originated in India. India has made many contributions to fields like mathematics and science. It also has cultural and religious diversity, with four major religions originating in India that are followed by 25% of the world's population. India also holds some records, such as the largest religious gathering and school.