Tennis and Badminton-club of Reykjavik (TBR) was established 1938.
The club is the biggest badminton club in Iceland and is, most likely, the biggest single-sport club in Iceland with around 4000 active badminton players. The clubs facilities are two Badminton halls (5 + 12 courts). Also their mascot is a fighting blue hen.
References
Tennis and Badminton Club of Reykjavik Wikipedia(Text) CC BY-SA