The Keys to Happiness
Movie| Title | Ключи счастья |
| User score | 0 |
| Release date | Jan 2, 1913 |
| Genre | Drama |
| Director | Yakov Protazanov , Vladimir Gardin |
| Production country | Russia |
| Production companies | Thiemann & Reinhardt |
| Run time | 166 min. |
Directed by Vladimir Gardin and Yakov Protazanov, this two-part epic was the most expensive Russian film at the time and smashed box office records. It is now considered lost, with only a 4 minute clip surviving.
