Claim: In 2007, on the day before Halloween, Avenged Sevenfold was released.
Evidence: Avenged Sevenfold is the eponymous fourth studio album by American heavy metal band Avenged Sevenfold , released on October 30 , 2007 by Warner Bros..
Halloween or Hallowe'en -LRB- a contraction of All Hallows ' Evening -RRB- , also known as Allhalloween , All Hallows ' Eve , or All Saints ' Eve , is a celebration observed in a number of countries on 31 October , the eve of the Western Christian feast of All Hallows ' Day and the Reformation Day.