Posted 22 minutes agoSubscribe to Quizzes NewsletterCaret DownOnly A True Directioner Can Ace This 15th Anniversary Lyric Quiz!Celebrate 1D's legendary journey with a quiz that'll have you singing every word. Warning: tricky bits ahead!by poughkeepsieCommunity ContributorApproved and edited by BuzzFeed Community TeamFacebookPinterestLink 15 years ago, One Direction was born. From the moment Harry, Niall, Louis, Liam, and Zayn united on The X Factor, they changed the music world forever. Their catchy songs, unforgettable concerts, and undeniable bond captured the hearts of millions.