U2 are an Irish rock band from Dublin formed in 1976. Members have included Bono, The Edge, Adam Clayton, Larry Mullen Jr., Dik Evans and Ivan McCormick. Discography includes: Boy (1980), October (1981), War (1983), The Unforgettable Fire (1984), The Joshua Tree (1987), Rattle and Hum (1988), Achtung Baby (1991), Zooropa (1993), Pop (1997), All That You Can't Leave Behind (2000), How to Dismantle an Atomic Bomb (2004), No Line on the Horizon (2009) and Songs of Innocence (2014). Tours include: U2-3 Tour (1979�1980), 11 O'Clock Tick Tock Tour (1980), Boy Tour (1980�1981), October Tour (1981�1982), War Tour (1982�1983), The Unforgettable Fire Tour (1984�1985), The Joshua Tree Tour (1987), Lovetown Tour (1989�1990), Zoo TV Tour (1992�1993), PopMart Tour (1997�1998), Elevation Tour (2001), Vertigo Tour (2005�2006), U2 360� Tour (2009�2011), Innocence + Experience Tour (2015) and The Joshua Tree Tour 2017 (2017).