olafi Early Norwegian king Norwegian king until 1000 Viking king until 1000 Start of a Norwegian line Norwegian king of 1000 A.D Norse king until 1000 A.D 10th-century Norwegian monarch 10th-century Norwegian king Norwegian king of A.D. 1000 Norwegian king who converted the Vikings to Christianity King surnamed Tryggvason Norwegian king until A.D. 1000 Viking king, 995-1000 11th-century king of Denmark 10th-century European king Norwegian king, 995-1000