Battle of the Bastards.
Season 6, episode 8. Most realistic full scale war scene ever.
It was episode 9.
"Wait, I don't remember 'Allahu Akbar' being in the lyrics..." - Eagles Of Death Metal
I'm drunk. You can't expect me to know such a trivial thing!
Not even close.
Waterloo (1970) had 16000 Soviet soldiers train for 6 months learning battle formations and techniques of the 19th century so they could pull off the biggest and most accurate battle recorded on film.
Hail to the king.