The metal suits worn by knights during the Middle Ages were originally designed to protect against weapons such as swords.

Dating to the 15th century B.C.E., the Dendra armor is composed of 15 copper-alloy sheets held together with leather, which covered the wearer from neck to knees, reports the Telegraph’s Sarah ...

According to an essay in the Metropolitan Museum of Art, plate armor was first used in Europe in the 13th century and became the mainstream form of protective gear by the 15th century. Next ...