 He took 50,000 captives who were settled in "Bulgaria across the Danube".The Pechenegs, the Cumans and Uzes are also mentioned by historic chronicles on the territory of Romania until the founding of the Romanian principalities of Wallachia in the south by Basarab I around 1310 in the High Middle Ages, and Moldavia in the east, by Dragoş around 1352.The Pechenegs, a semi-nomadic Turkic people of the Central Asian steppes, occupied the steppes north of the Black Sea from the 8th to the 12th centuries, and by the 10th century they were in control of all of the territory between the Don and the lower Danube rivers.