A Def Needle in Tomorrow was created in 1999.
On Def Ears was created in 2001.
DEF CON was created in 1993.
Def FX was created in 1990.
Life After Def was created in 2002.
Def Jam South was created in 1999.
Def Comedy Jam was created in 2006.
Def Pen Radio was created in 2005.
Def by Temptation was created on 1990-03-23.
Def Jam Recordings was created in 1984.
Def. Con. One was created in 1988.
The Def Leppard E.P. was created in 1978-11.
Tomorrow - Tomorrow album - was created in 1968-02.