On October 19th, 2009, a Delta B767-300 landed on the taxiway at KATL...

WX at KATL at the time of that incident:
Metars:
KATL 191252Z 08003KT 10SM CLR 06/01 A3032 RMK AO2 SLP274 T00610011
KATL 191152Z 00000KT 10SM CLR 03/00 A3031 RMK AO2 SLP268 T00280000 10039 20022 53016
KATL 191052Z 00000KT 10SM CLR 03/00 A3029 RMK AO2 SLP261 T00330000
KATL 190952Z 00000KT 10SM CLR 03/00 A3028 RMK AO2 SLP257 T00330000KATL 190852Z 00000KT 10SM CLR 03/00 A3026 RMK AO2 SLP251 T00280000 56000
KATL 190752Z 34004KT 10SM CLR 04/01 A3026 RMK AO2 SLP250 T00390006
KATL 190652Z 33003KT 10SM CLR 03/01 A3026 RMK AO2 SLP251 T00330006
See thread below:
http://www.liveatc.net/forums/listener-forum/incident-delta-airlines-b763-at-atlanta-on-oct-19th-2009-landed-on-taxiway/