A document from the 10th century that determined rights of equality between the Jewish and Christian merchants in Danube implies a Jewish population in Vienna at this point, though again, there is no concrete proof.
2008年，一支考古队伍发现 一份10世纪的文件规定在多瑙河上犹太人和基督徒商人拥有平等的权利，意味着在维也纳当时又存在着犹太人，但是没有具体的证据。