I think that most of us like mysteries because of the fascination of the unknown, and there’s probably a huge fan base for the ones that keep people guessing for years. If you love such intriguing tales, then this one will definitely keep you on the edge of your seat.
It dates back to 1676, Italy, when a “possessed” nun claimed that the Devil had been sending her messages that she wrote down. Only one of these letters survived the test of time, and experts have finally deciphered its meaning after 350 years of struggle. Scroll down to find out!
