What a challenging test of trivia. I am not sure I can do all, but these should keep you busy:
MacWorld Expo San Francisco (MWSF) - Jan.
MacWorld Expo Tokyo - Feb.
Seybold Boston - Mar. (publishing)
National Association of Broadcasters (NAB) - Apr. (digital video)
World Wide Developers Conference (WWDC) - California - May
Electronic Entertainment Expo (E3) - May (games)
MacHack (not Apple sponsored) - Michigan - Jun.
MacWorld Expo New York (MWNY) - Jul.
Apple Expo Europe (Paris) - Sep.
Seybold San Francisco - Sep. (publishing)
There are some others which Apple sometimes goes to, but these are the major ones. HTH