Léon Joseph Marie Ignace Degrelle (French: [dəgʁɛl]; 15 June 1906 – 31 March 1994)[1] was a Belgian politician and one of the most important Nazi collaborators and Holocaust denialists[2][3] from Belgium.[4] Degrelle rose to prominence in the 1930s as the leader of the Catholic authoritarian Rexist Party in Belgium.[5] During the German occupation in World War II, he enlisted in the German army and fought in the Walloon Legion on the Eastern Front.