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
Electrica Transylvania North Electrica Transylvania North Electrica North Transylvania is a Romanian company that distributes and supplies electric power for 1,089,192 customers in Cluj, Bihor, Maramureş, Satu Mare, Salaj and Bistriţa-Năsăud. Electrica North Transylvania with its headquarters in Cluj-Napoca, unfolds its activity in an area of 34,160 km². The Electricity Supply and Distribution Branch North Transylvania sold, in 2002, over 3,845,622 MWh, a sales level that ranges it among the first at the national level from this point of view. Electrica North Transylvania administrates 39,996 km of electric lines – aerial and subterraneous, 90 transformation stations and 7,535 supply units and transformation stations.