OS X Lion is indeed now available for download from the Australian Mac App Store (tip: wait till you’re off peak). The 3.5GB download will cost you $32, and upgrades your Mac with over 250 new features—some of which you may be just as happy without. [Mac App Store]
It happened in 1997. Can’t quite remember exactly when or where. It doesn’t show up on Google, so I’m thinking it came at some internal Apple event or agency meeting.