•Why it earns a slot
Irving's story established the Headless Horseman as one of American literature's first enduring folk monsters while embedding the scare in a comedy of romantic rivalry and frontier ambition, making it a founding text of American Gothic fiction.
Ichabod Crane, a superstitious Connecticut schoolmaster living in the haunted Dutch valley of Sleepy Hollow, courts the wealthy heiress Katrina Van Tassel while competing with the brawny local hero Brom Bones. After being apparently rejected by Katrina at a harvest party, Ichabod rides home at night and is terrorized by a headless horseman who hurls what appears to be his severed head at him. Ichabod vanishes from the hollow entirely, and strong hints suggest Brom Bones staged the whole encounter, as he marries Katrina shortly after and laughs knowingly whenever the pumpkin found at the scene is mentioned.
This distillation is written from the freely available original, which is always the better read when you have the time: gutenberg.org.