Last night:
Then, two attempts later (note to self: install a screenshot addon):
Got that one in just under the wire, eh?
The last death knight in the US to solo Onyxia
– September 22, 2009Posted in: Achievements, Death Knights, Patches & Updates, Raiding, Screenshots, WoW
About the Author
Stop used to be a warlock, then he was a death knight; first he was Horde, then he was Alliance again, and now he's Horde again. For good this time. Lok'tar ogar! 
I recommend "Multishot"
http://www.wowinterface.com/downloads/info9590-Mu...
I know the feeling. That Sunday before the change, my 80 Holy Paladin led a group of four 67s and a guildie 80 Hunter against the classic Onyxia. Glad I did it in time…it was pretty fun!