March 9, 1987: U2 Release ‘The Joshua Tree’

Once the embers of 1984’s The Unforgettable Fire subsided, U2 decided to go on a different kind of tour. (No, not that Amnesty International tour in 1986 with Sting.) This tour delved into the band’s wonder with America, and it gave birth to one of music’s biggest albums ever.

November 18, 1991: U2 Release 'Achtung Baby'

After the monumental success of The Joshua Tree and its subsequent tour, there was definitely a sense of “Now what?” with U2.  The band, perhaps, didn’t know themselves, which made sense why Bono said at a show in Dublin on December 30th, 1989 that, “We just have to go away and dream it all up again.”