Just as the title suggests, I was curious about how accurate most war movies depicted actual battles during medieval times. Did both sides just meet in the middle and swing their swords and shields around until the last man standing?
Examples include Game of Thrones and Braveheart for context.
While you're waiting, check out these previous answers:
About Game of Thrones:
How realistic was the recent Game of Thrones "Battle of the Bastards" scene? by /u/Valkine, /u/Iphikrates, and /u/MI13
How realistic was the recent naval battle on Game of Thrones? by /u/AlviseFalier
About general swordfighting and battle:
What was sword fighting actually like? Did it occur during war? by /u/vonadler
Sword fights and removing limbs by /u/zeeblecroid
What typically happened before the start of medieval battles? by /u/Agrippa911
Who pulls out the dead and wounded during a melee battle? by /u/MI13
Also, the FAQ has a section solely on the historical accuracy of GoT and ASoIaF, if you're interested in aspects of the show other than battles.
The section in the FAQ on Medieval Warfare might interest you too.