- Agatha Christie disappeared on December 3, 1926, for 11 days, sparking a massive search.
- She was a famous mystery novelist, and her disappearance captivated the public and media.
- Police used 1,000 officers, hounds, and aircraft in the search, but she was found at a spa in Harrogate under the name Mrs. Tressa Neele.
- Christie claimed amnesia, but historians suspect depression or marital issues due to her husband's affair.
- She never fully explained the disappearance, leaving it one of the greatest mysteries of her life.