Having read alittle on mainly 17th century warfare I've realized that a very successful army/general sometimes had cities/fortresses surrender just by showing up at their doorstep. Will this be modelled at all in the game? I don't know exactly what the math should look like, but the mightier the city walls the smaller the likelihood of surrender and the higher the warscore/success of the enemy country/general the higher the likelihood of surrender.
Another flavour I'd like to see is the possibility to attack a besieging army using the garrison of the city. If the attack is successful the siege is lifted, but if it fails the city is lost.
Another flavour I'd like to see is the possibility to attack a besieging army using the garrison of the city. If the attack is successful the siege is lifted, but if it fails the city is lost.