Celts in Transylvania arrived in northwestern Transylvania in around 400–350 BC as part of their great migration eastwards. When Celtic warriors first penetrated these territories, the group seem to have merged with the domestic population of early Dacians and assimilated many Hallstatt cultural traditions. The second half of the 4th century BC saw the Middle La Tène Celtic culture emerge in north-western and central Dacia, a development reflected especially in burials of the period. Celtic artifacts dating to this time have been discovered at Turdaş, Haţeg and Mediaş in modern-day Romania. By 1976, the number of Celtic sites found in Transylvania had reached
Transylvania such, there are significant numbers of inhabitants of Transylvania that follow Roman Catholicism, Greek Catholicism and Protestantism. There are also small denominations like adventism, Jehovah's Witnesses and more. Others "Data refers to extended Transylvania (with Banat, Crișana and Maramureș)." The first heraldic representations of Transylvania date from the 16th century. One of the predominant early symbols of Transylvania was the coat of arms of Sibiu city. In 1596 Levinus Hulsius created a coat of arms for the imperial province of Transylvania, consisting of a shield party per fess, with a rising eagle in the upper field and seven hills with