Nanook of the North is often hailed as the first documentary — though both the “first” and “documentary” parts of that are up for debate.
Nanook of the North (1922)

Nanook of the North is often hailed as the first documentary — though both the “first” and “documentary” parts of that are up for debate.
Film serials peaked in the mid-to-late-1910s, but their epic-yet-episodic storytelling mode didn’t completely vanish.
Many of the very early — like 1925 and before — films that have endured in the canon are epics.
I was recently watching some YouTube videos on Crash Course about film history with my three year old daughter.
The French Revolution turns out to be a very good match for DW Griffith.
This is the fourth DW Griffith film I’ve watched in my tour through film history, and the fourth starring Lillian Gish.
For the first hour or so of its 75 minutes, Oscar Micheaux’s Within Our Gates is far more compelling as a historical artifact than as cinema.
DW Griffith, the premier American epic filmmaker of the 1910s, had his biggest financial stumble in the hugely ambitious, 3.5-hour Intolerance.
In the the late 1910s and 1920s, a bunch of German filmmakers invented the tone and aesthetics of horror movies amidst postwar defeat drudgery in a movement called “German expressionism.”
The problem with choosing “intolerance” as a theme for your time-sprawling opus is that it is so shapeless and blunt as to lose all meaning.