Perhaps the most common type of military encounter in the medieval world was laying siege to an enemy fortification. It often proved a difficult task.
Medieval Warfare X.5
Theme: Siege warfare in the Middle Ages
Steve Tibble, 'The hidden Crusader super-weapon - Italian combat engineers'.
Beñat Elortza, 'The evolution of sieges in Scandinavia, ca 950-1300 - From palisades to donjons'.
Steven Isaac and Laurence W. Marvin, 'Siege warfare in the Middle Ages - Ten ways to conquer a castle'.
Alice Isabella Sullivan, 'Divine assistance in Byzantium and beyond - Defending Constantinople'.
Murray Dahm, 'The Battle ok Pinkie Cleugh - Scotland's darkest day'.
Randall Moffett, 'Crossbows and shields - The Italian militiaman'.
Kay Smith and Ruth R. Brown, 'For throwing long darts... which terrified - The springily'.
Noah Tetzner, '''I greet the sword's honed edge'' - The Vikings and death'.
Vicky McAlister, 'When you need your fortifications done quickly - The ringwork castle'.
...and much,much more!