2020 History Unexplained Mysteries Page A Day Calendar

The greatest unsolved mysteries of all time!

From the Alcatraz breakout to the Zodiac Killer, this 2020 boxed calendar features astounding unsolved mysteries across the ages. Uncover cryptic crimes, strange disappearances, and inexplicable events in HISTORY®'s exploration of the world's most curious occurrences.

Additional details:

• 4.25" x 4.5" boxed calendar
• Easy tear-off pages daily
• Easel backing for display
• Perfect for tabletop or desk