S8E1: Road to the Multiverse
It looks like Quahog was vaporized or something.
It says that in this universe,
Frank Sinatra was never born.
And therefore, he was unable to use his influence to get Kennedy elected.
So Nixon won the 1960 election and totally botched the Cuban missile crisis,
causing World War III.
Wow, so I guess Lee Harvey Oswald never shot Kennedy?
No. He shot Mayor McCheese.