There is a sacred text come down to Vikings on the marble railings in the center area of the south galleria. The sacred writing resolved to have a place with the ninth century contains a sentence signifying “Halvdan was here”. The sacred writing should be made by a Viking hired soldier in East-Roman period. A gathering of Vikings who was well known with their warrior nature had been taken an interest to the majestic watchman regiment in Istanbul which was for the most part established by them which was called as “Varangian”. This regiment fabricated a notoriety by battling for the benefit of the court in each district of the domain for around 200 years.