A Past Unknown was an American Christian metal band from Cedar Falls, Iowa. They were known for playing a metalcore style with a more melodic metalcore sound. The band started making music in 2009, and their members at the time were lead vocalist, Grant Lilly, guitarists, Nick Powell and Trevor Rozendaal, bassist, Dirk Wiese, and drummer, Adam Aalderks. When Aalderks left the band, Jack Van Gent became the drummer. The band released their first studio album, To Those Perishing, in 2011 with Red Cord Records. Their second studio album, Vainglory, was released by Red Cord Records, in 2012. They disbanded in the middle of 2013.