The Celts started to settle since 450 BC. The coins named "Biatec" represent the first use of writing in Slovakia. At the turn of millenniums, many different Germanic tribes like Quadi and Marcomanni started to overtake the area. The Roman Empire established many outposts along the Danube river. They even fought Germanic tribes, with the most northern presence being in Trenčín ("Laugaritio"), during the Marcomannic Wars.