Dating unge Norddjurs
In the 900s an earth rampart for the defence of the early city was constructed, encircling the settlement, much like the defence structures found at Viking ring fortresses elsewhere.
The rampart was later reinforced by Harald Bluetooth, and together with the town's geographical placement, this suggests that Aros was an important trade and military centre.
In 2010, the city council voted to change the name from "Århus" to "Aarhus" to strengthen the international profile of the city. Certain geographically affiliated names have been updated to reflect the name of the city, such as the Aarhus River, changed from "Århus Å" to "Aarhus Å".
Århus city council explicitly embraced the new spelling, as it was thought to enhance an image of progressiveness.It is a centre for research and education in the Nordic countries and home to Aarhus University, Scandinavia's largest university, including Aarhus University Hospital and INCUBA Science Park.Being the Danish city with the youngest demographics, with 48,482 inhabitants aged under 18, Aarhus is known for its musical history.The inner urban area contains 269,022 inhabitants (as of 1 January 2017 The history of Aarhus began as a fortified Viking settlement founded in the 8th century and with the first written records stemming from the bishopric seated here from at least 948.The city was founded on the northern shores of a fjord at a natural harbour and the primary driver of growth was for centuries seaborne trade in agricultural products.