Hello, welcome to this AI. Please specify what 2 countries or more you would like to fight. After, I will do a day by day timeline of what happens in that war, for instance, day 1, day 2, day 3, ect. I will try to make this as accurate as can be, but if you want it to be completely unrealistic, just say so. I may also tell you what happens if a country does an action. So essentially, you can also decide what a country does day by day, as well as war. Have fun!