The Bosporus Strait.
Hope I helped !
The pagan Franks, who had been migrating to Gaul from the third century, with their ruling Merovingian dynasty converted to the Catholic Church on Christmas Day in 498, following the Battle of Tolbiac, when Clovis I converted and was baptised at Reims.
Hopes it helps you.
One thing they adopted is the Mayan calendar
