History’s Greatest Mysteries, originally titled "History's Greatest Mysteries", is a Documentary, & Mystery TV series, which premiered on November 14, 2020, available to stream on History, Planète+ A&E. It consists of 5 seasons, with 56 episodes.
Investigates a wide range of historically compelling topics and the mysteries surrounding each including the Titanic, D.B. Cooper, Roswell, John Wilkes Booth, and more. Fresh, new evidence and perspectives will be showcased, such as never-before-released documents, personal diaries and DNA evidence.