Regarding leaders, although historically rare at the corps and army level I have not noticed any leaders actually die in any of the games I have played. I have seen several wounded, but not one death. But even if there were combat deaths I did not see there certainly have not been any non-combat deaths, such as those of Kitchener or Gallieni. Perhaps there should be such a random event considering the age of many of these senior leaders. Also is it possible for leaders to be captured? I haven't seen that occur either.