Arminia Bielefeld
Founded as 1. Bielefelder Fußballclub Arminia, the club merged with Bielefelder Turngemeinde in 1922 and have used their current name ever since the merger ended in 1926.
In 2014/15, while playing in division 3, Arminia went on a memorable cup run, eliminating Bundesliga 2 side Sandhausen, but also Bundesliga sides Hertha BSC, Werder Bremen and Borussia M´Gladbach. They were eventually eliminated by winners Wolfsburg in the semi-finals.