What makes The "Angry" Young Them! by Them notable?

'The Angry Young Them!' is significant for its influence on the garage rock genre, showcasing a sound that would inspire countless punk and alternative bands. It features the iconic track 'Gloria,' which has been covered by numerous artists and remains a defining song of the era, contributing to the album's lasting legacy. Released on June 11, 1965, 'The Angry Young Them!' marked Them's debut album, introducing listeners to the fiery vocals of Van Morrison. At this point, the band had gained attention through their energetic live performances but was still establishing their identity in a rapidly evolving music scene dominated by British Invasion acts.