These are exactly the surroundings in which a religion can flourish without change for many centuries and Buddhism in Ceylon acquired stability because it also acquired a certain national and patriotic flavour: it was the faith of the Sinhalese and not of the invading Tamils. Such Sinhalese kings as had the power protected the Church and erected magnificent buildings for its service. If Sinhalese tradition may be believed, the first historical contact with northern India was the expedition of Vijaya, who with 700 followers settled in the island about the time of the Buddha's death. Many details of the story are obviously invented. Thus in order to explain why Ceylon is called Sinhala, Vijaya is made the grandson of an Indian princess who lived with a lion. But though these legends inspire mistrust, it is a fact that the language of Ceylon in its earliest known form is a dialect closely connected with Pali (or rather with the spoken dialect from which ecclesiastical Pali was derived) and still more closely with the Mahârâshtri Prakrit of western India. It is not however a derivative of this Prakrit but parallel to it and in some words presents older forms.[11] It does not seem possible to ascribe the introduction of this language to the later mission of Mahinda, for, though Buddhist monks have in many countries influenced literature and the literary vocabulary, no instance is recorded of their changing the popular speech.[12] But Vijaya is said to have conquered Ceylon and to have slaughtered many of its ancient inhabitants, called Yakkhas,[13] of whom we know little except that Sinhalese contains some un-Aryan words probably borrowed from them. According to the Dîpavaṃsa,[14] Vijaya started from Bharukaccha or Broach and both language and such historical facts as we know confirm the tradition that some time before the third century B.C. Ceylon was conquered by Indian immigrants from the west coast.