Nefarium were formed in 1997. Two years later Nefarium decided to record the songs for the first demo‑tape of the band at Hail studio in Turin (Italy) well‑known in the underground scene thanks to Adversam, Necromass and Detestor recording sessions. The demo was out in the summer 1999 and was sold in more than 1000 copies. In january 2001 will be out a 7 -Avernus- for Maggot Recordsrecorded in collaboration whith Adversam drummer (Scarlet Records). Nefarium during this last year partecipated in many black metal compilations (Oskorey Norway ecc) concerts and festivals, whit Desaster, Pentacle, Mortuary Drape ecc In september 2002 Nefarium decided to record their first cd at One Voice Studio in Chivasso -Italy- ( Samael, Agnostic Front, Even Vast ecc). -Praesidium- the fast and brutal work of the band, will be out on 2005 for Downfall Records ( Sweden ) .