"Bob, you have chosen American History as your final question. You know that if you correctly answer this question, you will walk away $64,000 dollars richer. Are you ready?"
Bob nodded with a cocky confidence - the crowd went nuts. He hadn't missed a question all week.
"Bob, your question on American History is a two-part question. As you know, you may answer either part first. As a rule, the second half of the question is always easier. Which part would you like to take a stab at first?"
Bob was now becoming more noticeably nervous. He couldn't believe it, but he was drawing a blank. American History was his easiest subject, but he played it safe.
"I'll try the second part first."
The Emcee nodded approvingly. "Here we go Bob. I will ask you the second half first, then the first half."
The audience silenced with gross anticipation...
"Bob, here is your question: And in what year did it happen?"