Guys, you don't have to go as far back as Dan-Air. Plenty of more recent examples.
Remember this one, just to name one (taken from the AvHerald):
Incident: Thomson B738 at Paphos on Sep 21st 2011, landed on taxiway
By Simon Hradecky, created Thursday, Sep 22nd 2011 07:59Z, last updated Thursday, Sep 22nd 2011 08:22Z
A Thomson Airways Boeing 737-800, registration G-CDZH performing flight BY-3350 from Doncaster,EN (UK) to Paphos (Cyprus) with 192 passengers and 7 crew, was on approach to Paphos' runway 29 cleared to land on runway 29 when the aircraft aligned with the parallel taxiway and touched down on that taxiway, no other traffic was on the taxiway at that time. The aircraft rolled out safely and taxied to the apron.