The document summarizes information about the Tamil language. It discusses that International Mother Language Day is celebrated annually on February 21st to promote linguistic diversity and multilingualism. It then provides details about Tamil, including that it is an official language of India, Sri Lanka, and Singapore, has over 66 million speakers, and has been traced back over 10,000 years in inscriptions. It also briefly outlines the history of Tamil and mentions the revered ancient text, Thirukkural, as an example of classical Tamil literature.