sartorialadventure:A Viking era ring inscribed with the words ‘for Allah’, found in th
sartorialadventure: A Viking era ring inscribed with the words ‘for Allah’, found in the grave of a woman who was buried 1200 years ago in Birka, 25 km west of modern-day Stockholm. The ring constitutes a unique material evidence of direct contact between the Vikings and the Abbasid Caliphate. (one of many sources!) -- source link