Until the nineteenth century, solid blocks of tea were used as money in Siberia.
80
The Nestles haven't run Nestle since 1875.
62
There is a 600 year old 240 paged book called the Voynich Manuscript, that’s written language is still completely unknown today.
15
The exact cause of death and burial site of Genghis Khan is unknown, because all of the 2000 funeral guests and 800 soldiers were killed in order to preserve the secret.
16
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57
The first chocolate eggs were made in Germany in the 19th century and remain one of the most popular Easter candies today.
85
A female photographer in the 50s took tens of thousands of pictures and remained remained unknown until her death. She is now considered one of the most important street photographers ever.
20