Situational irony is a literary device used in various forms of literature, including novels, short stories, and poems. It refers to the unexpected twist or reversal in the plot, often resulting in a dramatic change in the reader's understanding of the story. This literary device creates surprise, intrigue, and complexity in the narrative, engaging readers and making the story more memorable. Examples of situational irony can be found in various works, such as Shakespeare's Julius Caesar, Macbeth, Antony and Cleopatra, Jane Austen's Pride and Prejudice, Harry Potter series by J.K. Rowling, The Wizard of Oz, The Land of Stories, and short stories like 'The Story of an Hour' by Kate Chopin and 'The Necklace'.