I haven't seen 1917 as I don't go to movies anymore but last Dec the WW1 movie "They Shall Not Grow Old" ( https://en.wikipedia.org/wiki/They_Shall_Not_Grow_Old)
came thru for a few days and I made a point to watch it. WW1 was pretty brutal.

“You’ll own nothing” — And “you’ll be happy about it.”
K. Schwab