1.J’accuse 1919

The story of two men, one married, the other the lover of the other’s wife, who meet in the trenches of the First World War, and how their tale becomes a microcosm for the horrors of war. source IMDb

2. The Big Parade 1925

The idle son of a rich businessman joins the army when the U.S.A. enters World War One. He is sent to France, where he becomes friends with two working-class soldiers. He also falls in love with a Frenchwoman, but has to leave her to move to the frontline. source IMDb

3.Battleship Potemkin 1925 Full Movie

A dramatized account of a great Russian naval mutiny and a resulting street demonstration which brought on a police massacre. source IMDb

4. The General 1927 Full Movie

Buster Keaton and his train!!

5. Wings 1927 Full Movie with Clara Bow and young Gary Cooper

The first film to win an Oscar.