It was BTS’ fandom ARMY’s birthday on Wednesday, July 9. Exactly 12 years ago, in 2013, the K-pop supergroup officially announced the name of their fandom, ARMY, short for Adorable Representatives M.C. of Youth. On July 9, BTS ARMY marks 12 years of fandom, activism, and unwavering love, with heartfelt messages from V and Jimin lighting up the day. Each year on July 9, BTS fans worldwide celebrate ARMY Day — the anniversary of when the global K-pop superstars officially named their fandom ‘ARMY’ in 2013. "ARMY Day" (Hangul: 아미 데이) is a day dedicated to ARMY, being celebrated on July 9. It marks the day when the name "ARMY" was first coined as the official name for BTS fans. The BTS Army celebrates its founding day on July 9, 2025. On the special occasion, the BTS members made sure to wish their beloved fans on their big day. J-hope took to Instagram to share a slew ...