The publication of various Sherlock Holmes stories by Sir Arthur Conan Doyle that spawned the detective genre and inspired adaptations including Enola Holmes.
The historical Victorian era in England during which the story of Enola Holmes is set, characterized by specific social norms and cultural values.
The release of the Enola Holmes book series by Nancy Springer, which serves as the basis for the Enola Holmes movie.
The release of the Enola Holmes movie adaptation starring Millie Bobby Brown as the titular character, bringing the story to a wider audience.