 According to the "Mahāvamsa", a chronicle written in Pāḷi, the inhabitants of Sri Lanka prior to the Indo-Aryan migration were Yakkhas and Nagas.Ancient grave sites that were used before 600 BC and other signs of civilisation have also been discovered in Sri Lanka, but little is known about the history of the island before this time.Sinhalese history and the historical period of Sri Lanka traditionally starts in 543 BC with the arrival of Prince Vijaya, a semi-legendary prince who sailed with 700 followers to Sri Lanka.