Which Parallel World Deserves Its Own Novel?

We're sick of alternate-history novels about the Nazis winning World War II or the South winning the Civil War. When you can alter all kinds of historical moments in fiction, why stick to the same meat and potatoes all the time? (We're waiting for the novel where the South fights Iron Man in the Civil War.) Vote below for the altered timeline that deserves its own novel.

Gawker Media polls require Javascript; if you're viewing this in an RSS reader, click through to view in your Javascript-enabled web browser.