Answer:
In Robert Louis Stevenson's novella, The Strange Case of Dr. Jekyll and Mr. Hyde, the significant event driving the plot is the revelation of Mr. Hyde's true identity. Throughout the story, Mr. Hyde is depicted as a mysterious and sinister character, with his relationship to Dr. Jekyll remaining concealed. As the narrative unfolds, Mr. Hyde's actions grow increasingly violent and disturbing, causing suspicion and concern among those around him. The discovery that Mr. Hyde is, in fact, Dr. Jekyll's alter ego serves as a crucial turning point in the story. Jekyll's turning point in the plot explains the strange behavior of both characters and their connection. This event reveals the conflict between Dr. Jekyll's desire to indulge in his darker impulses and his attempts to maintain a respectable public persona. The revelation of Mr. Hyde's true identity leads to the story's climax, where Dr. Jekyll fails to control his alter ego and becomes consumed by his darker side. This event's significance highlights the theme of duality in human nature and the consequences of suppressing one's true self. The revelation of Hyde's true identity is a crucial point in the plot, as it unites the different conflicts and characters within the story, ultimately leading to the tragic conclusion.