Happy 45th Birthday BLACK SABBATH's Paranoid - September 18th, 1970 
 Happy 53rd Birthday Antony "Tony" Harnell (SKID ROW, TNT, MOURNING WOOD) - September 18th, 1962 
 Happy 53rd Birthday Joey Scott (LIZZY BORDEN) - September 18th, 1962 
Happy 35th Birthday Charles Hedger (MAYHEM, CRADLE OF FILTH) - September 18th, 1980 
 R.I.P. Dee Dee Ramone (born Douglas Glenn Colvin; RAMONES); September 18th, 1951 - June 5th, 2002
R.I.P. Pepsi Tate (real name Justin Smith; TIGERTAILZ): March 10th, 1965 - September 18th, 2007

 
  R.I.P. James Marshall "JIMI" HENDRIX (born Johnny Allen Hendrix): November 27th, 1942 - September 18th, 1970
 
 Happy 37th Birthday KISS solo albums from ACE FREHLEY, GENE SIMMONS, PAUL STANLEY, PETER CRISS - September 18th, 1978

 From KISS: "The Solo Albums represented the first time ever that all the members of a band released solo works on the same day. All 4 albums shipped platinum!"
 
  Happy 33rd Birthday TWISTED SISTER's Under The Blade - September 18th, 1982
 
  Happy 32nd Birthday KISS' Lick It Up - September 18th, 1983
 
  Happy 32nd Birthday DOKKEN's Breaking The Chains - September 18th, 1983
 
 Happy 28th Birthday KISS' Crazy Nights - September 18th, 1987
 
  Happy 14th Birthday ALICE COOPER's Dragontown - September 18th, 2001 
 
 Happy 14th Birthday MOONSPELL's Darkness And Hope - September 18th, 2001
 

Happy 6th Birthday EUROPE's Last Look At Eden - September 18th, 2009

Happy 6th Birthday LYNCH MOB's Smoke And Mirrors - September 18th, 2009

Happy 6th Birthday SONATA ARCTICA's The Days Of Grays - September 18th, 2009

Happy 3rd Birthday THE DEVIN TOWNSEND PROJECT’s Epicloud - September 18th, 2012

Happy 3rd Birthday DOWN’s Down IV Part I - The Purple EP - September 18th, 2012

DOWN’s Down IV Part I - The Purple EP

More releases on this day:

Happy 9th Birthday:
WARCRY's La Quinta Esencia - September 18th, 2006
THE ARMS OF PERDITION's Halloween Of Tales - September 18th, 2006

Happy 8th Birthday:
A LIFE ONCE LOST's Iron Gag - September 18th, 2007
THE BLACK DAHLIA MURDER's Nocturnal - September 18th, 2007
BETWEEN THE BURIED AND ME's Colors - September 18th, 2007
BLOTTED SCIENCE's The Machinations Of Dementia - September 18th, 2007
BROWN BRIGADE's Into The Mouth Of Badd(d)ness - September 18th, 2007
HANDGUNS' The Sons Of Thunder - September 18th, 2007
HIMSA's Summon In Thunder - September 18th, 2007
SUICIDE SILENCE's The Cleansing - September 18th, 2007
WAR FROM A HARLOTS MOUTH's Transmetropolitan - September 18th, 2007

Happy 6th Birthday:
AT VANCE's Ride The Sky - September 18th, 2009
DANGER DANGER's Revolve - September 18th, 2009
THEATRE OF TRAGEDY's Forever Is The World - September 18th, 2009

Happy 3rd Birthday:
BECOMING THE ARCHETYPE’s I Am - September 18th, 2012
VISION OF DISORDER’s The Cursed Remain Cursed - September 18th, 2012