Mondays at 9:00 pm on Planète+ A&E
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History's Greatest Mysteries

Season 6 Episode 3: The Valentine's Day Massacre

The notorious Valentine's Day Massacre of 1929 in Chicago, a pivotal event in mob history, claimed the lives of several victims in a brutal and seemingly motiveless slaughter. Despite the numerous gangland murders plaguing the 20s and 30s, this massacre stands out for its sheer brutality and...

Season 6 Episodes:

Episode 1 Roswell

1. Roswell

Aired: Jan 27, 2025

The mysterious 200-yard debris field that mysteriously appeared near Roswell,...

Episode 4 What is the Yeti?

4. What is the Yeti?

Aired: Feb 24, 2025

The mystery of the Yeti, a legendary creature, has been shrouded in myth for ...

Episode 17 Secret of the Sphinx

17. Secret of the Sphinx

Aired: Jul 28, 2025

The next episode takes viewers on an unforgettable journey to the heart of an...

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United States

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Info about History's Greatest Mysteries

Seasons: 6

Current Status: Currently Airing

Network: Planète+ A&E

Production Country: United States

Genres:Mystery, Documentary, History

History's Greatest Mysteries: Where to Watch Online?

Currently, you have the opportunity to watch "History's Greatest Mysteries" by streaming it on the following platforms: The History Channel or alternatively, you can enjoy it completely free of charge with advertisements on the following platforms: The History Channel. Additionally, viewers have the option to either rent or purchase "History's Greatest Mysteries" on the following digital platforms: AppleTV, Windows Store, Amazon.