Varangians served as mercenaries in the 10th century.
=== Varangian Guard ===The Varangian Guard (Greek:   , Tgma tn Varngn) were a part of Byzantine Army and personal bodyguards of the Byzantine emperors from the 10th to the 14th centuries
Due largely to geographic considerations, it is often argued that most of the Varangians who traveled and settled in the lands of eastern Baltic, modern Russia and lands to the south came from the area of modern Sweden

