The history of Mo i Rana is rooted in the deep past, when these lands were inhabited by the Sami people and Norwegian farmers. The name of the city comes from the Old Norse word "Móar" (a sandy plain or the name of the Mo farm) and the name of the Rana region. The actual beginning of the formation of the future centre can be considered 1730, when a trading post was officially established here, becoming a point of attraction for residents of the entire region.
The development of the settlement from a modest trading point to an important city in Northern Norway was driven by its fortunate geographical location at the mouth of the Ranelva river, flowing into the Ranfjord. This made the place a natural transport hub connecting the coast with the inland areas and Sweden. Furthermore, the establishment of the city was facilitated by other key factors:
- Trading Traditions: The famous Tiendebytte fair, where goods were exchanged between fishermen, farmers, and the Sami people, laid the commercial foundation of the city.
- Natural Riches: The presence of vast forests and, later, the discovery of iron ore and mineral deposits predetermined the industrial future of the region.
Before the onset of large-scale industrialisation, the regional economy relied on traditional trades. Locals were renowned for their skilled shipbuilding: reliable boats adapted to the harsh conditions of the northern fjords were created here. The cultural environment was formed through close interaction between Norwegian settlers and the indigenous Sami people, giving the region a unique ethnographic character.