35 Years Ago Iron Maiden’s Metal Masterpiece ‘Number of the Beast’ March 23, 2017 99Rock - Online at WFRD.com | Iron Maiden’s ” The Number of the Beast” The album was released on March 22, 1982, as fans welcomed the arrival of new vocalist Bruce Dickinson. 35 Years Ago: Iron Maiden Unleash ‘The Number of the Beast’ Via loudwire.com 03/22/2017 10:08 AM Editorial credit: Yulia Grigoryeva / Shutterstock.com