Based on the title and production year, 'Sailors on H.M.S. Black Prince Firing Cannon and Rifles, 1900' is likely a very early documentary short. It is highly improbable that this film contains any identifiable LGBTQ+ characters or themes, as its focus would have been on depicting military action rather than personal narratives.

Based on the film's title, 'Sailors on H.M.S. Black Prince Firing Cannon and Rifles, 1900,' and its historical context as an early actualité, there is no indication of transsexual characters or themes. The film appears to be a straightforward depiction of naval activity, thus offering no portrayal of transsexual individuals or related narratives.

The movie does not contain any action or adventure elements.

The film's title suggests a historical depiction of sailors in 1900, who were historically male. However, without any details on the film's content, cast, or specific characters, it is impossible to determine if any individual portrayed was historically established as one gender and then depicted as another.

The film depicts unnamed sailors from 1900 without established canonical or historical racial identities, making the concept of a race swap inapplicable as there are no specific characters to compare against prior depictions.