1969 Steven Tyler meets Joe Perry in Sunapee, N.H.
1971 The band’s classic lineup - Tyler, Perry, Brad Whitford, Tom Hamilton, and Joey Kramer - is in place.
1973 First album released.
1979 Perry departs.
1981 Whitford departs.
1984 Perry and Whitford return.
1986-87 “Walk This Way’’ with Run-DMC is released, reigniting a comeback. The band members clean up.
1998 The band releases its only No. 1 single, “I Don’t Want to Miss a Thing.’’
2001 Inducted into the Rock and Roll Hall of Fame.
2004 Last studio album, “Honkin’ on Bobo,’’ is released.
2006 Tyler has throat surgery; Hamilton treated for throat cancer; Tyler reveals he has hepatitis C.
May 2008 Tyler enters rehab to treat a painkiller problem related to foot surgeries.
June 2008 Guitar Hero: Aerosmith is released.
August 2009 Aerosmith scraps its summer tour after Tyler falls from a stage.
November 2009 Tyler says he’s focusing on “brand Tyler.’’
