Happy 50th Birthday Mike Portnoy (THE WINERY DOGS, ADRENALIN MOB, DREAM THEATER) - April 20th, 1967

Happy 69th Birthday Craig Frost (GRAND FUNK RAILROAD, BOB SEGER'S SILVER BULLET BAND) April 20th, 1948

Happy 43rd Birthday Jocke Berg (HARDCORE SUPERSTAR) – April 20th, 1974

R.I.P. Stephen Peter "Steve" Marriott (SMALL FACES, HUMBLE PIE): January 30th, 1947 – April 20th, 1991

R.I.P. Tommy Kiefer (KROKUS): April 20th, 1952 - December 24th, 1986

Happy 36th Birthday GIRLSCHOOL's Hit And Run - April 20th, 1981

Happy 24th Birthday AEROSMITH's Get A Grip - April 20th, 1993

Happy 13th Birthday ANTHRAX’s Music Of Mass Destruction - April 20th, 2004
 

Happy 13th Birthday FEAR FACTORY’s Archetype - April 20th, 2004 

Happy 13th Birthday BLACK LABEL SOCIETY’s Hangover Music Vol. VI - April 20th, 2004 

Happy 7th Birthday RATT’s Infestation - April 20th, 2010

Happy 10th Birthday ENSIFERUM's Victory Songs - April 20th, 2007

Happy 10th Birthday FREEDOM CALL's Dimensions - April 20th, 2007

Happy 10th Birthday VOMITORY's Terrorize Brutalize Sodomize - April 20th, 2007

Happy 8th Birthday LACUNA COIL's Shallow Life - April 20th, 2009

Happy 5th Birthday MEKONG DELTA’s Intersections – April 20th, 2012

Happy 5th Birthday ORDEN OGAN’s To The End – April 20th, 2012

Happy 5th Birthday RUNNING WILD’s Shadowmaker – April 20th, 2012

Happy 5th Birthday SAXON’s Heavy Metal Thunder – Live – Eagles Over Wacken – April 20th, 2012

Happy 5th Birthday UNLEASHED’s Odalheim – April 20th, 2012

Happy 2nd Birthday SHINING’s IX / Everyone, Everything, Everywhere, Ends – April 20th, 2015

More releases on this day:

Happy 8th Birthday
EARTH CRISIS' To The Death - April 20th, 2009
HACRIDE's Lazarus - April 20th, 2009

Happy 5th Birthday THE FORESHADOWING’s Second World – April 20th, 2012
Happy 2nd Birthday DRUDKH’s A Furrow Cut Short – April 20th, 2015