Centennial Hall in Valentine, Nebraska is considered haunted due to the local legend of a female student who died in 1944 after her clarinet reed was poisoned by a friend, leading to teachers reporting seeing her ghost and experiencing unease before the building became a museum. The Legend: The Victim: A female clarinetist. A friend poisoned her clarinet reed, and the student died when she played it. The incident occurred in 1944, when the building was a high school. Before Centennial Hall was converted into a museum, teachers reported seeing a ghostly apparition of the deceased girl. Visitors and staff also reported feeling a feeling of dread or unease within the building. The building, which began as a high school in 1897, is now a museum and the oldest standing school in Nebraska.