The «Battleship Potemkin» reflects the whole era of 1905 revolution in a single story. It was supposed to be propaganda, but Eisenstein managed to make something more from this plot. Except political message this film has a humanistic anti-war idea which is actual in all times.
I would be glad if you appreciate my article about this film: https://steemit.com/film/@axbezzub/the-greatest-film-of-all-times-battleship-potemkin
Here I explain its artistic features and humanistic messages.