Every movie contains this statement like this in the end credits:

This is a work of fiction. Any similarity to actual persons, living or dead, or actual events, is purely coincidental.

Did you know that one of the most famous characters of the WW1 era was indirectly responsible for this? That person was Gregory Rasputin, and you can read the whole story at this link.

James (“Jim”) Patton BS BA MPA is a retired state official from Shawnee, Kansas and a frequent contributor to several WW1 e-publications, including "Roads to the Great War," "St. Mihiel Tripwire," "Over the Top" and "Medicine in the First World War." He has spent many hours walking the WW1 battlefields, and is also an authority on British regiments and a collector of their badges. An Army Engineer during the Vietnam War, he does work for the US World War 1 Centennial Commission and has memberships in the WW1 Historical Association, the Western Front Association, the Indian Military Historical Society and the Salonika Campaign Society.