Conversation so far:
When did Whitaker vs. Trinidad take place?
Whitaker vs. Trinidad took place on February 20, 1999
Why is Whitaker vs. Trinidad important?
In Whitaker vs. Trinidad, Whitaker suffered his first convincing defeat against the much bigger, much fresher Félix Trinidad, gamely taking the Puerto Rican the distance in an attempt to win

Question: Where did the fight take place?
Self-contained rewrite: Where did the fight Whitaker vs. Trinidad take place?