Communist League of Luxemburg (German: Kommunistischer Bund Luxemburg, Luxembourgish: Kommunistesche Bond Letzeburg), was a pro-China communist group in Luxembourg. KBL was founded by radical students in 1970. The secretary of KBL was Charles Doerner. KBL published Roude Fändel (Red Banner).
In 1975 Kommunistische Organisation Luxemburgs / Marxisten-Leninisten broke away from KBL.
References
Communist League of Luxemburg Wikipedia(Text) CC BY-SA