856 AD (founding date)

The year 856 AD marks the founding date of a specific city or institution, meaning it was established or officially recognized in that year. This date is often recorded in historical documents to mark the beginning of its existence, development, or first settlement. Understanding this helps place the location within a broader historical context, indicating it has a history spanning over a millennium, which often reflects its historical significance, heritage, and the changes it has undergone over the centuries.