King David I Defined the Inch

Scotland's King David I defined one "ynche" is equal in width to the base of a man's thumbnail, Continue reading

French Guild of Perfume Makers

The French Guild of perfume makers Continue reading

Pigeon postal system

Pigeons were regularly used for official and military communications, Continue reading

Dominoes of China

Derived from a dice game, dominoes were played in China around the 12th Century. Continue reading