Or you could have a world wherein Hitler and Nazi Germany succeeded and ruled the world. Or you could have a story about what might have happened if Asia had dominated the world, rather than the western nations. The possibilites are endless.
Alternate History is by definition an intelligent reader's genre, because, first, you have to be interested in history itself.
Next, you have to be mature enough to appreciate and enjoy historical fiction. It's commonly known that anybody can read and understand non-fiction—the genre in which your daily newspaper is written—but it takes a greater intelligence and sophistication to appreciate fiction; the more sophisticated the ideas and sub-genre of fiction, the more intelligence required to appreciate it.
Finally, you have to know enough history, at least in the outline and basic details, to appreciate the thrill of the "What might have happened if..." question.
So, for example, someone who doesn't know that India and Pakistan were once a single country, Partitioned through the machinations of British politics on the eve of Britain's departure from these shores, would probably not find much thrill in the notion of India and Pakistan working together to reject the idea of Partition, fighting the British side-by-side.
While anyone from this part of the world would probably get a kick out of the whole idea. Imagine Jinnah and Gandhi working together to beat the Brits!
Imagine waging pitched battles against the Brits, and rebelling against them not just on the subcontinent, but across the world—don't forget, the second World War was going on at the same time as the last throes of our independence struggle.
Maybe some of you think it would be impossible. But who knows. Stranger things have happened in history itself. So why not?
There's a lot of Alternate History out there. A lot of it's good stuff. But a lot of it's not really identifiable to Indian readers. Let's face it, who gives a shit about whether the American South won or the American North won?
There were still 10 million African slaves left rootless when the war was over, right? Not to mention the harrowing terror of racism that followed the Civil War, which was by no means restricted to the South. Not to mention the decimated American Indian populations of the American continent.
And while Hitler certainly needed to be stopped by any means possible, what did the Allies do to prevent their allies during WWII, the Russians, from launching their own pogroms? These resulted in the dreaded gulag camps—worse than concentration camps—responsible for the death of as many, if not more innocent Russians as the unfortunate Jews who died in Nazi pogroms?