 Radelfingen is first mentioned in 894 as "Ratolingun" in a donation made by Pirins to the Abbey of St. Gall.During the Middle Ages, the nearby Kyburg herrschaft of Oltigen and the Counts of Thierstein owned land in Radelfingen.The right to hold the low court was owned by local nobles until 1502 when Frienisberg Abbey acquired the right and gave it over to Bern.