I was a bit shocked to read that diseased dead bodies/animals where catapulted into besieged castles/towns. Biological warfare in the middle ages. But this "method" of warfare had probably a lot of ...
As I understand it, there were two types of sieges. One was where the attacking army would "camp," surrounding the city, and let the defenders run out of food. An example was Ulysses S. Grant's siege ...