Ingvar the Far-Travelled (Old Norse: Yngvarr víðförli, Swedish: Ingvar Vittfarne) led an unsuccessful Viking attack against Persia in 1036–1042. The Rus' undertook several Caspian expeditions in the course of the 10th century. The Yngvars saga víðförla describes the last Viking campaign in the Caspian in 1041, adding much legend to the historical facts. Ingvar the Far-Travelled launched this expedition from Sweden, travelling down the Volga River into the land of the Saracens (Serkland). While there, the Vikings apparently took part in the Georgian-Byzantine Battle of Sasireti in Georgia (1042).