The film 'Dam Square in Amsterdam, 1900' is a historical actualité from the early 20th century, documenting a public space. Due to its nature as a silent, non-narrative short, there are no identifiable LGBTQ+ characters or themes present within the film's content.

There is insufficient information regarding the plot, characters, or themes of 'Dam Square in Amsterdam, 1900' to determine if transsexual characters or themes are present or how they might be portrayed. Without any details, an assessment of its net impact is not possible.

The movie does not contain any action or adventure elements.

The film appears to be historical footage or a documentary short depicting a real location at a specific time, without named or established characters from source material or history whose gender could be swapped.

The film title suggests a historical depiction of a public square with no named characters or source material provided. Without information on specific characters, their established race, or the actors portraying them, it is impossible to determine if a race swap occurred.