Have you ever wondered about the twists and turns history has taken, and if something else had happened, what would the world look like now? It’s food for thought and has resulted in a genre of literature devoted to such speculations. A classic example is Philip K. Dick’s “The Man In The High Castle”, a story about what might have ensued had the Axis powers prevailed after the end of World War Two. More info here:
Something else to speculate about; what if the Ottoman Empire had survived — what would life for us be like now under Muslim rule?