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Plate armor is a type of body armor made from metal plates. It evolved from earlier forms of armor, such as chain mail, which was made of interlaced metal rings.12

The development of plate armor began around 1200 CE with thin plates worn under other garments. By the mid-13th century, external plates for elbows and knees appeared, followed by the plate cuirass for the torso. Initially, plate armor was worn over mail for added protection, but it gradually replaced mail entirely by the late 14th century, except in areas requiring more flexibility.3

Full suits of plate armor became common in the early 15th century, representing a peak in personal armor protection. This type of armor offered significant protection but also increased weight, partly due to its use in jousting. By the 16th century, plate armor became largely ceremonial due to its impracticality in active service against firearms.3

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