Metallox said:
In modern times, not necessarily. Plenty of examples of short-lived conflicts that literally are called 'x' Day War, even among large states. |
Please provide examples. Looking at this list, for both historical and modern times, basically every recorded war of mid size, large, or super power states has been 4+ years.
https://en.m.wikipedia.org/wiki/List_of_conflicts_by_duration