Leonnorius was one of the leaders of the Celts in their invasion of Macedonia and the adjoining countries. When the main body under Brennus marched southwards into Macedonia and Greece (279 BC), Leonnorius and Lutarius led a detachment, twenty-thousand strong, into Thrace, where they ravaged the country to the shores of the Hellespont, compelled the city of Byzantium to pay them tribute, and made themselves masters of Lysimachia. The rich Asiatic shores of the Hellespont afforded them a tempting prospect; and while Leonnorius returned to Byzantium, in order to compel the inhabitants of that city to give him the means of transporting his troops to Asia, Lutarius contrived to capture a few vessels, with which he conveyed all the force remaining under his command across the Hellespont. While