The Johnstown Flood

George O'Brien as Tom O'Day stars in "The Johnstown Flood" (1926), a dramatic recreation of the 1889 disaster that devastated Johnstown, Pennsylvania, when a rainstorm causes the devastating dam collapse, sending floodwaters and logs towards the town. The film showcases impressive special effects, including miniature sets and double exposure effects, as it depicts the tragic events leading up to the catastrophe. Anna Burger (Janet Gaynor) plays a pivotal role in warning the townspeople of the impending disaster, but ultimately meets a fatal end during the flood.