 "De Solatum" also can be interpreted as desolation, which means loneliness or remoteness (see Remote and isolated community).With Sollefteå being located at the lowest rapids of the Ångermanälven thereby making it the last outpost to which it was possible to sail- The village developed into a municipality.The town changed from a commercial town into a town dominated by the military when the two regiments T 3 (Logistics) and I 21 (Infantry) were located there in 1898 and 1911 respectively.