I'm 99% certain everyone in here's talking about SummerSlam (I was). Unforgiven is good as well but i'd have it many, many, many steps below and probably not in the top 10 WWF that year.
Btw I should mention when I said this:
I Rock/Austin isn't my MOTY, Misawa/Takayama is.
I meant IF where "I" is. So IF Rock/Austin isn't my MOTY, MM/Tak is.