Europe is a little overdone but it would be a huge omission to skip the Napoleonic wars entirely. The Egyptian expedition would be an excellent choice for a short campaign that showcases Napoleon without being too European focused. You’d get a mix of battles between the French, British, Maltese, Egyptians, Bedouins, and Ottomans.
Could go a little something like this:
With Prussia and Austria being fused into one Frankenstein civ it would be kinda difficult to properly portray the battles on the continent anyways.