Sri Lanka ( or ; śrī laṃkāva, ilaṅkai), officially the Democratic Socialist Republic of Sri Lanka, is an island country near the south-east of India in South Asia. Sri Lanka, known until 1972 as Ceylon (), has maritime borders with India to the northwest and the Maldives to the southwest. Sri Lanka has a documented history that spans over 3,000 years, but there are theories to suggest that Sri Lanka had pre-historic human settlements dating back to at least 125,000 years. Its geographic location and deep harbours made it of great strategic importance from the time of the ancient Silk Road through to World War II. Sri Lanka is a diverse country, home to many religions, ethnicities and languages. It is the land of the Sinhalese, Sri Lankan Tamils, Moors, Indian Tamils, Burghers, Malays, Kaffirs and the aboriginal Vedda. Sri Lanka has a rich Buddhist heritage, and the first known Buddhist writings of Sri Lanka, the Pāli Canon, dates back to the Fourth Buddhist Council in 29 BC. The country’s recent history has been marred by a thirty-year civil war which decisively ended when Sri Lankan military defeated Liberation Tigers of Tamil Eelam in 2009. Sri Lanka is a republic and a unitary state governed by a presidential system. The legislative capital, Sri Jayawardenepura Kotte, is a suburb of the commercial capital, and largest city, of Colombo. It is also an important producer of tea, coffee, gemstones, coconuts, rubber, and the native cinnamon, the island contains tropical forests and diverse landscapes with a high amount of biodiversity. The country has had a long history of international engagement, as a founding member of SAARC and a member of the United Nations, the Commonwealth of Nations, the G77, and the Non-Aligned Movement. It is the only country in South Asia that is currently rated “high” on the Human Development Index.