 In the fourth century BC from the south, through the Kłodzko (Glatz) Valley, the Celts entered Silesia, and settled around Mount Ślęża near modern Wrocław, Oława and Strzelin.Germanic Lugii tribes were first recorded within Silesia in the 1st century.West Slavs and Lechites arrived in the region around the 7th century, and by the early ninth century, their settlements had stabilized.