Olten is a municipality and the capital of the district of the same name in the canton of Solothurn in Switzerland. Olten is the largest city in the canton.
Olten is located in a basin on both sides of the Aare at the Jurasüdfuss, between the southernmost chain of the Faltenjura and the upstream hills Born, Säli and Engelberg. In the south, the half of the great Aareklus between Born and Säli, the Ruttigertal, and the area of Ruppoldingen south of the Born belong to the municipal area. Between the Born and the Jura slope lies the northwestern end of the Gäuebene with the Dünnern in the area of the city of Olten.The municipal area covers an area of 1149 hectares; of which 457 hectares (40%) are forested.Neighboring communities of Olten are Boningen, Kappel (SO) and Wangen near Olten in the west of the city, Trimbach and Winznau in the north, Starrkirch-Wil and Dulliken in the east and the Aargau communities Aarburg and Rothrist in the south.
Early Stone Age cave settlements could be detected in the Sälihöhlen, also the mammoth find of Olten is associated with these settlements. Rich flint deposits in the Chalofen have been mined and used in the area as raw material for tools.
Although an older settlement is proven, the founding of Olten is attributed to the Count of Frohburg. In the city fire of 1422, unfortunately, the entire archive was burned, so that no documents from this period are more available.In 1383, Olten was besieged by Bern and Solothurn, but due to a storm, they had to pull off unfulfilled things. As a result, it was rumored that the storm was being conjured by a witch. Shortly thereafter, a woman from the Klus was arrested as "Witch of Olten" in Niederbipp. She escaped the death of fire only the intercession of the women of the councilors.Due to the two devastating city fires of 1411 and 1422, the interest of the city of Basel ceased, and in 1426 Olten came into possession of the city of Solothurn. In 1532, the rights of the ruler were transferred from the bishop to Basel for 1,800 guilders to the city of Solothurn.The plague broke out in 1611 and is said to have killed the Oltner population up to 14 citizens.The support of the insurgent peasants cost the city all the political privileges in 1653 and made Olten a common subordinate town. Only the Helvetic Republic handed over on 12 November 1800 from 1653 deposited in Solothurn city law and seal again.Source: wikipedia